Android実践プログラミング 現場で生まれた設計パターン

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1 Android TechBooster TechBooster 1

2 Android Android Android 15 Gradle Docker TechBooster TechBooster Android *1 * 1 TechBooster Web 1

3 TechBooster Activity static OnClickListener Handler try-catch Exception Thread killprocess static AsyncTask Preference edit Application Service OutOfMemoryError Application xml View synchronized new

4 2 Android Google portrait minsdkversion DialogFragment PreferenceActivity ContentProvider UCD PlayStore UCD UCD Android Gradle applicationid minsdkversion build.gradle targetsdkversion build.gradle versioncode apk Product Flavor Build Type Build Type applicationid

5 ProGuard apk apk RenderScript Support Library ABI apk density apk / Build Type AndroidManifest BuildConfig Android Wear lint assets jni.so NDK *.c *.cpp / apk IDE Gradle ProGuard Docker

6 6.2 VM Docker Docker VM Docker Docker Docker Docker

7 1 Android View Handler Android 1.1 Activity static Android Activity Intent static : UserModel.java public class UserModel implements Serializable { public enum Role { PROGRAMMER, DESIGNNER, MANAGER private long id; private String username; private Role role; 6

8 1 /* Getter Setter */ 1.2 FirstDameActivity 1.3 SecondDameActivity 1.2: FirstDameActivity.java public class FirstDameActivity extends Activity implements View.OnClickListener { private UserModel musermodel; protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); findviewbyid(r.id.button1).setonclicklistener(this); // musermodel /* */ public void onclick(view v) { if (v.getid() == R.id.button1) { // SecondDameActivity.sUserModel = musermodel; Intent intent = new Intent(this, SecondDameActivity.class); startactivity(intent); 1.3: SecondDameActivity.java public class SecondDameActivity extends Activity { public static UserModel susermodel; private UserModel musermodel; 7

9 1 protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); // static musermodel = susermodel; 1.2 FirstDameActivity#onClick musermodel SecondDameActivity.sUserModel Android SecondDameActivity.sUserModel susermodel SecondDameActivity susermodel susermodel Android : FirstRefineActivity.java public class FirstRefineActivity extends Activity implements View.OnClickListener { private UserModel musermodel; protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); findviewbyid(r.id.button1).setonclicklistener(this); // musermodel /* */ public void onclick(view v) { if (v.getid() == R.id.button1) { Intent intent = new Intent(this, SecondRefineActivity.class); // 8

10 1 intent.putextra(secondrefineactivity.extra_user_model, musermodel); startactivity(intent); 1.5: SecondRefineActivity.java public class SecondRefineActivity extends Activity { public static final String EXTRA_USER_MODEL = "user_model"; private UserModel musermodel; protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); // Intent musermodel = (UserModel) getintent().getserializableextra(extra_user_model); 1.4 Intent#putExtra Intent 1.5 Intent#putExtra Intent Activity 1.2 OnClickListener View OnClickListener OnClickListener 9

11 1 View#setOnClickListener OnClickListener 1.6 Activity#onCreate button1 button2 1.6: ManyOnClickListenerDameActivity.java public class ManyOnClickListenerDameActivity extends Activity { private EditText medittext1; private EditText medittext2; protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_many_handlers); // button1 findviewbyid(r.id.button1).setonclicklistener( new View.OnClickListener() { public void onclick(view v) { medittext1.settext("button1 clicked!"); ); // button2 findviewbyid(r.id.button2).setonclicklistener( new View.OnClickListener() { public void onclick(view v) { medittext2.settext("button2 clicked!"); ); medittext1 = (EditText) findviewbyid(r.id.edittext1); medittext2 = (EditText) findviewbyid(r.id.edittext2); 1.6 Activity#onCreate 1. OnClickListener button1 button2 2. OnClickListener 3. OnClickListener 10

12 1 1.6 Activity#onCreate Activity#onCreate Activity 3. oncreate 1.7 OnClickListener Acitivity implements Activity#onClick 1.7: ManyOnClickListenerRefine1Activity.java public class ManyOnClickListenerRefine1Activity extends Activity implements View.OnClickListener { private EditText medittext1; private EditText medittext2; protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_many_handlers); // OnClickListener findviewbyid(r.id.button1).setonclicklistener(this); findviewbyid(r.id.button2).setonclicklistener(this); medittext1 = (EditText) findviewbyid(r.id.edittext1); medittext2 = (EditText) findviewbyid(r.id.edittext2); public void onclick(view v) { if (v.getid() == R.id.button1) { medittext1.settext("button1 clicked!"); else if (v.getid() == R.id.button1) { medittext2.settext("button2 clicked!"); 1.7 Activity#onCreate Activity#onCreate View View View 11

13 1 OnClickListener Activity implements : ManyOnClickListenerRefine2Activity.java public class ManyOnClickListenerRefine2Activity extends Activity { private EditText medittext1; private EditText medittext2; protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_many_handlers); findviewbyid(r.id.button1).setonclicklistener(monclicklistener); findviewbyid(r.id.button2).setonclicklistener(monclicklistener); medittext1 = (EditText) findviewbyid(r.id.edittext1); medittext2 = (EditText) findviewbyid(r.id.edittext2); private View.OnClickListener monclicklistener = new View.OnClickListener() { public void onclick(view v) { if (v.getid() == R.id.button1) { medittext1.settext("button1 clicked!"); else if (v.getid() == R.id.button1) { medittext2.settext("button2 clicked!"); ; 1.8 OnClickListener Activity implements OnClickListener Activity Activity implements 12

14 1 onclick onclick onclick 1.3 Handler Handler Android Handler 1.9 button1 button2 5000ms edittext1 edittext2 1.9: ManyHandlersDameActivity.java public class ManyHandlersDameActivity extends Activity implements View.OnClickListener { private EditText edittext1; private EditText edittext2; protected void oncreate(bundle savedinstancestate) { /* */ public void onclick(view v) { if (v.getid() == R.id.button1) { // Handler 5000ms new Handler().postDelayed(new Runnable() { public void run() { edittext1.settext("button1 clicked!");, 5000); else if (v.getid() == R.id.button2) { 13

15 1 // Handler 5000ms new Handler().postDelayed(new Runnable() { public void run() { edittext1.settext("button2 clicked!");, 5000); Handler postdelayed 5000ms Runnable Handler 1.10 Handler static 1.10: ManyHandlersRefine1Activity.java public class ManyHandlersRefine1Activity extends Activity implements View.OnClickListener { private EditText edittext1; private EditText edittext2; private static Handler shandler = new Handler(); protected void oncreate(bundle savedinstancestate) { /* */ public void onclick(view v) { if (v.getid() == R.id.button1) { shandler.postdelayed(new Runnable() { public void run() { edittext1.settext("button1 clicked!");, 5000); else if (v.getid() == R.id.button2) { shandler.postdelayed(new Runnable() { 14

16 1 public void run() { edittext1.settext("button2 clicked!");, 5000); Runnable : ManyHandlersRefine2Activity.java public class ManyHandlersRefine2Activity extends Activity implements View.OnClickListener { private static final int EVENT_BUTTON1_CLICKED = 1; private static final int EVENT_BUTTON2_CLICKED = 2; private static Handler shandler = new Handler() { public void handlemessage(message msg) { super.handlemessage(msg); ManyHandlersRefine2Activity activity = (ManyHandlersRefine2Activity) msg.obj; if (msg.what == EVENT_BUTTON1_CLICKED) { activity.edittext1.settext("button1 clicked!"); else if (msg.what == EVENT_BUTTON2_CLICKED) { activity.edittext2.settext("button2 clicked!"); ; private EditText edittext1; private EditText edittext2; protected void oncreate(bundle savedinstancestate) { /* */ public void onclick(view v) { if (v.getid() == R.id.button1) { // shandler shandler 15

17 1 Message msg = shandler.obtainmessage(event_button1_clicked, this); shandler.sendmessagedelayed(msg, 5000); else if (v.getid() == R.id.button2) { // shandler shandler Message msg = shandler.obtainmessage(event_button2_clicked, this); shandler.sendmessagedelayed(msg, 5000); shandler edittext1 edittext2 shandler Runnable Handler UI 1.4 UI UI button1 edittext Thread taskfinished taskresult UI 1000ms taskfinished true true edittext 1.12: PollingDameActivity.java 16

18 1 public class PollingDameActivity extends Activity implements View.OnClickListener { private int taskresult; // private boolean taskfinished; // private EditText edittext1; private EditText edittext2; private static Handler shandler = new Handler(); protected void oncreate(bundle savedinstancestate) { /* */ public void onclick(view v) { if (v.getid() == R.id.button1) { taskfinished = false; // new Thread() { public void run() { super.run(); int result = 0; { // for (int i = 0; i <= 100; i++) { result += i; // taskresult = result; taskfinished = true;.start(); Runnable runnable = new Runnable() { public void run() { // if (taskfinished) { edittext1.settext(string.valueof(taskresult)); else { shandler.postdelayed(this, 1000); 17

19 1 ; shandler.postdelayed(runnable, 1000); 1. taskfinished taskresult ms UI 1000ms ms 10ms CPU Thread new : PollingRefine1Activity.java public class PollingRefine1Activity extends Activity implements View.OnClickListener { private EditText edittext1; private EditText edittext2; /** UI Handler */ private static Handler shandler = new Handler(); protected void oncreate(bundle savedinstancestate) { /* */ public void onclick(view v) { if (v.getid() == R.id.button1) { // new Thread() { 18

20 1 public void run() { super.run(); int result = 0; { // for (int i = 0; i <= 100; i++) { result += i; // UI final int finalresult = result; Runnable runnable = new Runnable() { public void run() { // edittext1 edittext1.settext(string.valueof(finalresult)); ; shandler.post(runnable); // shandler UI // runonuithread(runnable); //.start(); edittext1 shandler UI shandler.post Activity#runOnUiThread UI Android AsyncTask AsyncTask : PollingRefine2Activity.java public class PollingRefine2Activity extends Activity implements View.OnClickListener { private EditText edittext1; private EditText edittext2; 19

21 1 protected void oncreate(bundle savedinstancestate) { /* */ public void onclick(view v) { if (v.getid() == R.id.button1) { AsyncTask<Void,Void,Integer> task = new AsyncTask<Void, Void, Integer>() { protected Integer doinbackground(void params) { // int result = 0; { // for (int i = 0; i <= 100; i++) { result += i; return result; protected void onpostexecute(integer result) { // UI edittext1.settext(string.valueof(result)); ; task.execute(); AsyncTask doinbackground onpostexecute UI doinbackground onpostexecute UI UI 1.12 taskfinished taskresult UI AsyncTask 20

22 1 1.5 try-catch Exception Java Exception Integer#parseInt String int String NumberFormatException IOException 1.15 EditText 1.15: ExceptionDameActivity.java EditText edittext1 = (EditText) findviewbyid(r.id.edittext1); int intvalue = -1; try { intvalue = Integer.parseInt(editText1.getText().toString()); catch (Exception e) { if (intvalue == -1) { Log.d("Hoge", "Bad input."); // else { // 1. try-catch Exception Exception edittext1 null "-1" intvalue edittext1 null NullPointerException "-1" 21

23 1 1.16: ExceptionRefineActivity.java EditText edittext1 = (EditText) findviewbyid(r.id.edittext1); try { int intvalue = Integer.parseInt(editText1.getText().toString()); // catch (NumberFormatException e) { Log.d("Hoge", "Bad input."); // Android Java Android Java Exception 1.6 Thread killprocess UI AsyncTask Thread kill 1.17 Service#onCreate new start 1.17: KillProcessDameService.java 22

24 1 public class KillProcessDameService extends Service { public IBinder onbind(intent intent) { /* */ public void oncreate() { super.oncreate(); new Thread() { public void run() { super.run(); while(true) { // do some thing.start(); public void ondestroy() { super.ondestroy(); Process.killProcess(Process.myPid()); Service#onDestroy Process#killProcess kill 1. kill 2. JUnit Service#onDestroy JUnit JUnit 3. Process.killProcess 23

25 Service#onCreate Thread Thread#interrupt() 1.18: KillProcessRefine1Service.java public class KillProcessRefine1Service extends Service { private Thread mthread; public IBinder onbind(intent intent) { /* */ public void oncreate() { super.oncreate(); mthread = new Thread() { public void run() { super.run(); while(!thread.currentthread().isinterrupted()) { // do some thing ; mthread.start(); public void ondestroy() { super.ondestroy(); mthread.interrupt(); Thread#interrupt Thread#isInterrupted volatile boolean 1.18 Service#onDestroy 24

26 Thread#join 1.19: KillProcessRefine2Service.java public class KillProcessRefine2Service extends Service { private Thread mthread; /* */ public void ondestroy() { super.ondestroy(); mthread.interrupt(); // ondestroy try { mthread.join(); catch (InterruptedException e) { // Bluetooth ADK 1.7 static Activity Service static Activity Service 1.20 Service HogeThread 25

27 1 static sthread 1.20: StaticFieldDameService.java public class StaticFieldDameService extends Service { private static Thread sthread; static class HogeThread extends Thread { public void run() { super.run(); while(!isinterrupted()) { // public IBinder onbind(intent intent) { /* */ public void oncreate() { super.oncreate(); // sthread = new HogeThread(); sthread.start(); static Service Service HogeThread HogeThread HogeThread oncreate ondestroy static HogeThread : StaticFieldRefineService.java 26

28 1 public class StaticFieldRefineService extends Service { private Thread mthread; static class HogeThread extends Thread { public void run() { super.run(); while(!isinterrupted()) { // public IBinder onbind(intent intent) { /* */ public void oncreate() { super.oncreate(); // mthread = new HogeThread(); mthread.start(); public void ondestroy() { super.ondestroy(); // mthread.interrupt(); mthread = null; Service static static Android Activity Service 27

29 1 1.8 AsyncTask UI AsyncTask AsyncTask 1.22 button medittext1 button medittext : ManyAsyncTaskDameActivity.java public class ManyAsyncTaskDameActivity extends Activity implements View.OnClickListener { private EditText medittext1; private EditText medittext2; protected void oncreate(bundle savedinstancestate) { /* */ public void onclick(view v) { if (v.getid() == R.id.button1) { AsyncTask<Void,Void,Integer> task = new AsyncTask<Void, Void, Integer>() { protected Integer doinbackground(void params) { int result = 0; { // for (int i = 0; i <= 100; i++) { result += i; return result; 28

30 1 protected void onpostexecute(integer integer) { super.onpostexecute(integer); medittext1.settext(string.valueof(integer)); ; task.execute(); else if (v.getid() == R.id.button2) { AsyncTask<Void,Void,Integer> task = new AsyncTask<Void, Void, Integer>() { protected Integer doinbackground(void params) { int result = 0; { // for (int i = 101; i <= 200; i++) { result += i; return result; protected void onpostexecute(integer integer) { super.onpostexecute(integer); medittext2.settext(string.valueof(integer)); ; task.execute(); 1.22 AsyncTask AsyncTask#doInBackground 1. AsyncTask#doInBackground 2. AsyncTask#onPostExecute EditText AsyncTask#doInBackground 1.23 SumAsyncTask

31 1 AsyncTask#onPostExecute 1.23: ManyAsyncTaskRefine1Activity.java public class ManyAsyncTaskRefine1Activity extends Activity implements View.OnClickListener { private EditText medittext1; private EditText medittext2; static class SumAsyncTask extends AsyncTask<Integer, Void, Integer> { protected Integer doinbackground(integer params) { int result = 0; { // for (int i = params[0]; i <= params[1]; i++) { result += i; return result; protected void oncreate(bundle savedinstancestate) { /* */ public void onclick(view v) { if (v.getid() == R.id.button1) { SumAsyncTask task = new SumAsyncTask() { protected void onpostexecute(integer integer) { super.onpostexecute(integer); medittext1.settext(string.valueof(integer)); ; task.execute(0, 100); else if (v.getid() == R.id.button2) { SumAsyncTask task = new SumAsyncTask() { protected void onpostexecute(integer integer) { super.onpostexecute(integer); medittext2.settext(string.valueof(integer)); ; 30

32 1 task.execute(101, 200); AsyncTask SumAsyncTask 1.24 SumAsyncTask ISumAsyncTaskListener muserdata muserdata Generics 1.24: SumAsyncTask.java public class SumAsyncTask<T> extends AsyncTask<Integer, Void, Integer> { public interface ISumAsyncTaskListener<T> { public void onpreexecutesumasynctask(t userdata); public void oncancelsumasynctask(t userdata); public void onpostexecutesumasynctask(int result, T userdata); private ISumAsyncTaskListener<T> mlistener; private T muserdata; public SumAsyncTask(ISumAsyncTaskListener listener, T userdata) { this.mlistener = listener; this.muserdata = userdata; protected void onpreexecute() { super.onpreexecute(); mlistener.onpreexecutesumasynctask(muserdata); protected Integer doinbackground(integer params) { int result = 0; for (int i=params[0];i<=params[1];i++) { result += i; return result; protected void oncancelled() { 31

33 1 super.oncancelled(); mlistener.oncancelsumasynctask(muserdata); protected void onpostexecute(integer result) { mlistener.onpostexecutesumasynctask(result, muserdata); SumAsyncTask 1.25 SumAsyncTask Generics EditText 1.25: ManyAsyncTaskRefine2Activity.java public class ManyAsyncTaskRefine2Activity extends Activity implements View.OnClickListener, SumAsyncTask.ISumAsyncTaskListener<EditText> { private EditText medittext1; private EditText medittext2; SumAsyncTask<EditText> mtask1; SumAsyncTask<EditText> mtask2; private ProgressDialog mprogressdialog; protected void oncreate(bundle savedinstancestate) { /* */ public void onclick(view v) { if (v.getid() == R.id.button1) { mtask1 = new SumAsyncTask<EditText>(this, medittext1); mtask1.execute(0, 100); else if (v.getid() == R.id.button2) { mtask2 = new SumAsyncTask<EditText>(this, medittext2); mtask2.execute(101, 200); public void onpreexecutesumasynctask(edittext userdata) { mprogressdialog = new ProgressDialog(this); mprogressdialog.show(); 32

34 1 public void oncancelsumasynctask(edittext userdata) { mprogressdialog.dismiss(); mprogressdialog = null; public void onpostexecutesumasynctask(int result, EditText userdata) { userdata.settext(string.valueof(result)); mprogressdialog.dismiss(); mprogressdialog = null; AsyncTask AsyncTask#onPostExecute onpostexecutesumasynctask Generics EditText onpostexecutesumasynctask onpreexecute- SumAsyncTask oncancelsumasynctask SumAsyncTask UI AsyncTask Interface Interface 1.9 Preference edit SharedPreference SharedPreference String Key-Value 33

35 1 1. String 2. ClassCastException 1.26 SharedPreferences Activity#onCreate edittext1 1.26: SharedPreferencesDameActivity.java public class SharedPreferencesDameActivity extends Activity implements View.OnClickListener { private SharedPreferences mpref; private EditText edittext1; protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_many_handlers); findviewbyid(r.id.button1).setonclicklistener(this); findviewbyid(r.id.button2).setonclicklistener(this); edittext1 = (EditText) findviewbyid(r.id.edittext1); mpref = PreferenceManager.getDefaultSharedPreferences(this); String lastbutton = mpref.getstring("lastbutton", ""); edittext1.settext(lastbutton); public void onclick(view v) { if (v.getid() == R.id.button1) { mpref.edit().putstring("lastbutton", "button1").apply(); else if (v.getid() == R.id.button2) { mpref.edit() 34

36 1.putString("lastButton", "button2").apply(); SharedPreferences "lastbutton" : SharedPreferencesRefine1Activity.java public class SharedPreferencesRefine1Activity extends Activity implements View.OnClickListener { private SharedPreferences mpref; private EditText edittext1; private String KEY_LAST_BUTTON = "lastbutton"; protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_many_handlers); findviewbyid(r.id.button1).setonclicklistener(this); findviewbyid(r.id.button2).setonclicklistener(this); edittext1 = (EditText) findviewbyid(r.id.edittext1); mpref = PreferenceManager.getDefaultSharedPreferences(this); String lastbutton = mpref.getstring(key_last_button, ""); edittext1.settext(lastbutton); public void onclick(view v) { if (v.getid() == R.id.button1) { mpref.edit().putstring(key_last_button, "button1").apply(); else if (v.getid() == R.id.button2) { mpref.edit().putstring(key_last_button, "button2").apply(); 35

37 1 "lastbutton" 1.28 SharedPreferences KEY_LAST_BUTTON private getlastbutton putlastbutton 1.28: MySharedPreferences.java public class MySharedPreferences { private static final String KEY_LAST_BUTTON = "lastbutton"; private SharedPreferences mpref; private SharedPreferences.Editor meditor; public MySharedPreferences(SharedPreferences mpref) { this.mpref = mpref; public MySharedPreferences edit() { meditor = mpref.edit(); return this; public void apply() { meditor.apply(); meditor = null; public String getlastbutton() { return mpref.getstring(key_last_button, ""); public MySharedPreferences putlastbutton(string value) { meditor.putstring(key_last_button, value); return this; 36

38 MySharedPreferences 1.29: SharedPreferencesRefine2Activity.java public class SharedPreferencesRefine2Activity extends Activity implements View.OnClickListener { private MySharedPreferences mpref; private EditText edittext1; protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_many_handlers); findviewbyid(r.id.button1).setonclicklistener(this); findviewbyid(r.id.button2).setonclicklistener(this); edittext1 = (EditText) findviewbyid(r.id.edittext1); mpref = new MySharedPreferences( PreferenceManager.getDefaultSharedPreferences(this)); String lastbutton = mpref.getlastbutton(); edittext1.settext(lastbutton); public void onclick(view v) { if (v.getid() == R.id.button1) { mpref.edit().putlastbutton("button1").apply(); else if (v.getid() == R.id.button2) { mpref.edit().putlastbutton("button2").apply(); 37

39 Application Service Android Service Service Activity Application Service 1.30 oncreate Application ondestroy Service hoge 1.30: ResidentDameService.java public class ResidentDameService extends Service { private IResidentDameService.Stub mbinder = new IResidentDameService.Stub() { ; public IBinder onbind(intent intent) { return mbinder; public void oncreate() { super.oncreate(); DameApplication app = (DameApplication) getapplication(); app.setdameservice(this); 38

40 1 public void ondestroy() { super.ondestroy(); DameApplication app = (DameApplication) getapplication(); app.setdameservice(null); public String hoge() { return "hogehoge"; Service hoge Activity : ResidentDameActivity.java public class ResidentDameActivity extends Activity implements View.OnClickListener { private EditText edittext1; protected void oncreate(bundle savedinstancestate) { /* */ public void onclick(view v) { if (v.getid() == R.id.button1) { DameApplication app = (DameApplication) getapplication(); ResidentDameService service = app.getdameservice(); if (service!= null) { edittext1.settext(app.getdameservice().hoge()); Activity ResidentDameService#onCreate Service DameApplication.getDameService() null Activity 39

41 1 Application ServiceConnection oncreate Application ondestroy 1.32: ResidentRefineService.java public class ResidentRefineService extends Service { public class LocalBinder extends IResidentRefineService.Stub { public ResidentRefineService getservice() { return ResidentRefineService.this; private LocalBinder mbinder = new LocalBinder(); public IBinder onbind(intent intent) { return mbinder; public String hoge() { return "hogehoge"; Activity 1.33 ServiceConnection Service bind 1.33: ResidentRefineActivity.java public class ResidentRefineActivity extends Activity implements View.OnClickListener { private EditText edittext1; private ResidentRefineService mservice; ServiceConnection mserviceconnection = new ServiceConnection() { public void onserviceconnected (ComponentName name, IBinder service) { mservice = ((LocalBinder) service).getservice(); 40

42 1 public void onservicedisconnected(componentname name) { mservice = null; ; protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); findviewbyid(r.id.button1).setonclicklistener(this); edittext1 = (EditText) findviewbyid(r.id.edittext1); protected void onstart() { super.onstart(); Intent intent = new Intent(this, ResidentRefineService.class); bindservice(intent, mserviceconnection, Context.BIND_AUTO_CREATE); protected void onpause() { super.onpause(); unbindservice(mserviceconnection); public void onclick(view v) { if (v.getid() == R.id.button1) { if (mservice!= null) { edittext1.settext(mservice.hoge()); Activity Service Bind Service Unbind ServiceCon- 41

43 1 nection Service bind/unbind on- Start()/onStop() oncreate()/ondestroy() onpause()/onresume() Activity 1.11 OutOfMemoryError OutOfMemoryError OOM null Android Memory Analyzer( MAT) MAT Eclipse 1.1 Memory Analyzer 42

44 1 Eclipse DDMS Dump HPROF file 1.2 Dump HPROF file byte Activity 16MB byte 1.34: LargeBytesActivity.java public class LargeBytesActivity extends ActionBarActivity { private byte[] mlargebytes = new byte[16 * 1024 * 1024]; protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); 16MB byte MAT Dump HPROF file

45 1 1.3 Memory Analyzer

46 1 1.4 Create a histogram 1.5 byte 45

47 1 1.5 Histogram byte 1.6 List objects 46

48 1 1.6 List objects Retained Heap MB byte 47

49 MB byte byte GC Path to GC Roots 48

50 1 1.8 Path to GC Roots MB byte mlargebytes LargeBytesActivity 49

51 1 1.9 OutOfMemoryError MAT GC null null MAT 1.12 Application Application Application 50

52 Application AssetManager PackageManager NullPointerException 1.35: DameBehaviorApplication.java public class DameBehaviorApplication extends Application { public AssetManager getassets() { return null; public PackageManager getpackagemanager() { return null; Google Play Service NullPointerException xml View Android XML 51

53 1 View 1.14 synchronized synchronized Java synchronized Activty Service synchronized synchronized Android Android Activity Service Handler synchronized synchronized Handler 1.15 new Java new 52

54 1 Android( 2.1) 1.16 Android 53

55 2 Android Nexus Android Android NO Q&A Android Android 54

56 2 Android Y.Y 30 Q. Q. M2, M3, Q. ios Android Q Y.Y 10 No. 1 Xperia A SO-04E HD, 4.2.2, 2 Galaxy S4 SC-04E FHD, isai FL LGL WQHD, 4.4, 4 Nexus FHD, 5.0, ART 5 Nexus HD, 5.0, 6 Xperia Z1 SO-01F FHD, Xperia SX SO-05D qhd, Optimus Vu L-06D x768, ARROWS Tab F-02F x1600, Disney Mobile P-05D qhd,

57 2 Android Q. 2.x 2 UI Android minsdkversion 14 Q. 10 Android Q. Optimus Vu T.Y 30 Q. Q Q. 56

58 2 Android T.Y 10 No. 1 LG Nexus Phone 2 ASUS Nexus7(2013) SONY SO-04E Xperia A SONY 4 SHARP SHL21 AQUOS PHONE SERIE SHARP 5 Samsung SC-04E GALAXY S Samsung 6 LG LGL24 isai FL xxxhdpi NEC N-03E 7 Disney Mobile OOM 8 NEC N-05E MEDIAS W SONY NW-F885 Walkman Xiaomi MI-3 GooglePlay Q. 10 Q. GoogleAnalytics Q. 10 Android ICS 10 Q. 10 Nexus10 XperiaTablet 57

59 2 Android M.M 20 Q. Q. F2 M2 Q. WebView ios Android OS Q. 10 Q. Google Samsung SONY OS 2.3.x 2 GalaxyS WebView WebView UserAgent Android 58

60 2 Android M.M 10 No. 1 LG Nexus FHD, 5.0, OS 2 ASUS Nexus HD, 4.3, 3 SONY Xperia A SO-04E HD, 4.2.2, No.1 4 SAMSUNG Galaxy S4 SC-04E FHD, 4.4.2, 5 SHARP AQUOS PHONE ZETA SH-04F FHD, 4.4, 6 URBANO L01 KYY HD, 4.2.2, SD 7 ARROWS X LTE F-05D HD, NEC Disney Mobile N-03E HD, 4.1.2, 9 SAMSUNG Galaxy S SC-02B WVGA, , 2.3 Q OS 1 Q. 59

61 3 Google Google Android 60

62 3 Google portrait Google Supporting Different Screens *1 UI landscape UI 3.1: <activity android:name=".mainactivity" android:configchanges="orientation keyboardhidden" android:label="@string/app_name" android:screenorientation="portrait" > landscape youtube Activity landscape 3.2 minsdkversion Google Supporting Different Platform Versions *2 * 3 Android Android 1.6 minsdkversion="4" HT-03A Nexus 9 minsdkversion * 1 Supporting Different Screens html * 2 Supporting Different Platform Versions platforms.html * 3 Android G 61

63 3 Google 7 % Android % Android Devlopers Dashboards * Froyo 0.5%, Gingerbread 9.1% minsdkversion="15" ICS Android % 2 Wikipedia: Android *5 1st rd Android * 4 Android Developers DashBoards * 5 Wikipedia: Android B8%80%E8%A6%A7 62

64 3 Google minsdkversion Android Play External Display/Miracast Native RTL Android Wear BLE Centeral Immersive NFC HCE BLE Peripheral Android Wear BLE Bluetooth Low Energy Native RTL Immersive Gingerbread Android Project Butter UI 4.2 1st Play Google Play Google Play Google Google Play Google Play Google / Google Play Google Play 63

65 3 Google 7 Play *6 Android Android Play Google Android 3.3 DialogFragment Google BACK Dialog Dialogs *7 Android 3.x Fragment Fragment DialogFragment Android Dialog DialogFragment Fragment 1 DialogFragment Fragment Fragment DialogFramgent DialogFragment Activity static inner class Master of Fragment *8 Dialog 2 DialogFragment BACK HOME * 6 Play * 7 Dialogs * 8 Master of Fragment 64

66 3 Google 7 DialogFragment AlertDialog.Builder Dialog Dialog#show DialogInterface.OnClickListener#onClick Activity DialogFragment 3 DialogFragment UI View ActionBarActivity#setSupportProgressBarIndeterminateVisibility GMail Chrome UNDO 3.4 PreferenceActivity Google Android 3.0 Activity PreferenceFragment Settings - UsingPreference Fragments *9 PreferenceActivity Android API Level 1 xml PreferenceActivity Android 3.x Fragment 2 PreferenceFragment deprecated * 9 Settings - Using Preference Fragments Fragment 65

67 3 Google 7 PreferenceFragment Android 2.x Fragment Support Library PreferenceFragment 2.x PreferenceActivity 3.x PreferenceActivity PreferenceFragment PreferenceActivity deprecated Android 2.x minsdkversion 15 PreferenceActivity PreferenceFragment 2 Google

68 3 Google Android Nexus Android 5.0 Nexus 9 2 PreferenceFragment 67

69 3 Google ContentProvider ContentProvider Content Providers *10 ContentProvider ContentProvider SNS SQLiteOpenHelper Cursor ContentProvider URI SQLite ContentProvider ios Core Data O/R Android ActiveAndroid *11 GreenDAO *12 OSS ContentProvider Content Provider * 10 Content Providers * 11 ActiveAndroid * 12 GreenDAO 68

70 3 Google Supporting Tablets and Handsets * freetel Priori *14 6 QHD 2560x1440 Android 7 UI Android 7 Android layout xml UX XML layout_home.xml XML layout_home_tablet.xml Android Support Mulitple Screens * 13 Supporting Tablets and Handsets html * 14 Android HVGA(480x320)

71 3 Google 7 UI 3.7 Google Android Pure Android *15 Don t use ios Google 1 Android * 15 Pure Android 70

72 3 Google Android ios facebook 71

73 3 Google Android ios Twitter WebView ios Android HTML SplitActionBar Google Button n 72

74 3 Google 7 SplitActionBar View 3.8 Google Google XML UI XML AbsoluteLayout TabActivity BACK UI BACK BACK launchmode standard singletop singletask singleinstance *16 Android * 16 73

75 4 UCD PlayStore UX UI UX UI UX UI UX UCD UI/UX UX UserExperience UI UserInterface UX UI UI UX PlayStore AppStore UI/UX Google Apple UI Apple OS 74

76 4 UCD PlayStore 1 UI Google Apple UI UI UX UI UX UI UX UI UX UCD 4.2 UCD UCD HumanCentralDesign HCD UCD UserCenteredDesign HCD UCD UCD UCD UI UX UCD 75

77 4 UCD PlayStore 1 UCD 1999 ISO13407 *1 *2 NPO UCD 1986 D.A. "The Design of Everyday Things" *3 UCD 4.3 UCD 4 UCD UCD UCD * 1 ISO ISO Com/FlowControl.jsp?lang=jp&bunsyoId=ISO %3A2010&dantaiCd=ISO&status=1 * 2 *

78 4 UCD PlayStore KA 77

79 4 UCD PlayStore 1 UX -> -> UCD UCD Photoshop Powerpoint UI Flash NEM 3 78

80 4 UCD PlayStore UCD 4.4 UCD KA 1 79

81 4 UCD PlayStore 1 Google keynote 2014 Google I/O Google Japan DevFest Material Design Google Material Design Keynote keynote Apple Keynote keynotopia *4 Android MaterialDesign PDF PDF Play Store UCD Play Store UI UI UI *

82 4 UCD PlayStore 1 Play Store UCD UCD 81

83 4 UCD PlayStore 1 UCD UCD UCD *5 UCD 6 UI UX UX UCD UX UCD UCD UCD UX UX UCD Play Store Google Analytics UCD UCD Play Store UCD *

84 4 UCD PlayStore 1 83

85 5 Android Gradle Gradle Eclipse Ant / Gradle Gradle Gradle Android 5.1 Android Studio Android Gradle Plugin Android Studio Android Studio build.gradle : build.gradle // Top-level build file where you can add configuration options common buildscript { repositories { 84

86 5 Android Gradle jcenter() dependencies { classpath 'com.android.tools.build:gradle:1.0.0' // NOTE: Do not place your application dependencies here; they belong // in the individual module build.gradle files allprojects { repositories { jcenter() 5.2: app/build.gradle apply plugin: 'com.android.application' android { compilesdkversion 21 buildtoolsversion "21.1.1" defaultconfig { applicationid "com.example.myapplication" minsdkversion 15 targetsdkversion 21 versioncode 1 versionname "1.0" buildtypes { release { minifyenabled false proguardfiles getdefaultproguardfile('proguard-android.txt'), 'proguard-rules.pro' dependencies { compile filetree(dir: 'libs', include: ['*.jar']) compile 'com.android.support:appcompat-v7:21.0.2' 85

87 5 Android Gradle applicationvariants libraryvariants 5.2 applicationid app/build.gradle android.defaultconfig applicationid apk applicationid 5.3: app/build.gradle applicationid apply plugin: 'com.android.application' android { defaultconfig { applicationid "com.example.myapplication" // Product Flavor applicationid Product Flavor Build Type applicationidsuffix applicationidsuffix applicationid applicationid AndroidManifest.xml package applicationid applicationid Play Store 86

88 5 Android Gradle : Id Android R Eclipse Gradle R R R Java Id applicationid R R 5.3 minsdkversion build.gradle app/build.gradle android.defaultconfig minsdkversion apk minsdkversion AndroidManifest.xml app/build.gradle minsdkversion AndroidManifest.xml uses-sdk android:minsdkversion 5.4: app/build.gradle minsdkversion apply plugin: 'com.android.application' android { 87

89 5 Android Gradle defaultconfig { applicationid "com.example.myapplication" minsdkversion 15 // 5.4 targetsdkversion build.gradle 5.3 minsdkversion build.gradle minsdkversion targetsdkversion 5.5: app/build.gradle targetsdkversion apply plugin: 'com.android.application' android { defaultconfig { applicationid "com.example.myapplication" minsdkversion 15 targetsdkversion 21 // 5.5 versioncode build.gradle Groovy versionname versioncode "1.2.3" versionname versioncode versionname multiple apk version- 88

90 5 Android Gradle Code 5.6: app/build.gradle versioncode apply plugin: 'com.android.application' // def computeversioncode() { def versions = android.defaultconfig.versionname.split('\\.') def versioncode = String.format("%d%02d%02d00", versions[0].tointeger(), versions[1].tointeger(), versions[2].tointeger()).tointeger() return versioncode android { defaultconfig { versionname "1.2.3" versioncode computeversioncode() git commit short hash versionname 5.7 short hash githash 5.7: git short hash def githash = 'git rev-parse --short HEAD'.execute().text.trim() 5.6 apk Gradle Android Build Type Product Flavor 2 apk Build Type Product Flavor 89

91 5 Android Gradle Build Variant) apk *1 apk Build Type x Product Flavor *2 Build Type release debug Product Flavor Product Flavor 2 Build Type 1 Product Flavor 2 apk Eclipse Build Type Product Flavor apk applicationid Product Flavor / applicationid Product Flavor applicationid 5.7 Product Flavor Product Flavor Product Flavor applicationid Product Flavor applicationid 5.7 Product Flavor / Product Flavor Build Type debug Build Type Product Flavor Multiple APK Product Flavor * 1 Apk Splits apk * 2 Product Flavor dimension Product Flavor Build Type apk 90

92 5 Android Gradle API Level apk Multiple APK ABI apk 5.15 ABI apk density apk 5.16 density apk Build Type ProGuard jni apk Product Flavor Product Flavor 5.7 Product Flavor Build Type 5.8 Build Type 5.7 Product Flavor Product Flavor Build Type 5.6 apk Product Flavor app/build.gradle android productflavors Product Flavor : app/build.gradle Product Flavor android { defaultconfig { applicationid "com.example.myapplication" minsdkversion 15 targetsdkversion 21 versioncode 1 versionname "1.0" // Product Flavor productflavors { flavor1 { packagename "com.example.myapplication.flavor1" versioncode 20 91

93 5 Android Gradle flavor2 { packagename "com.example.myapplication.flavor2" minsdkversion productflavors flavor1 flavor2 Product Flavor defaultconfig defaultconfig Product Flavor Product Flavor Product Flavor defaultconfig Gradle defaultconfig productflavors.* DSL Product Flavor src main Product Flavor Product Flavor main 5.8 Build Type Build Type Product Flavor 5.6 apk Build Type app/build.gradle android buildtypes Build Type 5.9 buildtypes release debug Build Type 5.9: app/build.gradle Build Type android { // Build Type 92

94 5 Android Gradle buildtypes { release { minifyenabled false proguardfiles getdefaultproguardfile('proguard-android.txt'), 'proguard-rules.pro' jnidebug.initwith(buildtypes.debug) jnidebug { packagenamesuffix ".jnidebug" jnidebuggable true 5.9 buildtypes release jnidebug debug Build Type release initwith Build Type 5.9 jnidebug debug 5.1 debug release multidexenabled 5.10 manifestplaceholders 5.22 Build Type AndroidManifest 5.9 Build Type applicationid Build Type applicationid applicationid release debug debug Build Type applicationid defaultconfig Product Flavor ".debug" 93

95 5 Android Gradle 5.1 Build Type debug release debuggable true false jnidebuggable false false JNI / renderscriptdebuggable false false RS / renderscriptoptimlevel 3 3 RS applicationidsuffix null null Id versionnamesuffix null null signingconfig debug null zipalignenabled false true zipalign minifyenabled false false ProGuard / shrinkresources false false / proguardfile ProGuard proguardfiles ProGuard multidexenabled false false multi-dex / manifestplaceholders null null AndroidManifest app/build.gradle android.buildtypes.* applicationidsuffix null 5.10 applicationid.debug 5.10: Build Type applicationid apply plugin: 'com.android.application' android { buildtypes { debug { // applicationid.debug applicationidsuffix '.debug' 94

96 5 Android Gradle 5.10 Android dex 65k dex *3 dex 5.11 app/build.gradle 5.11: multidex android { defaultconfig { multidexenabled true dependencies { compile 'com.android.support:multidex:1.0.0' 5.11 defaultconfig Product Flavor Build Type AndroidManifest.xml android.support.multidex.multidexapplication Application attachbasecontext(context) android.support.multidex.multidex.install(this); *

97 5 Android Gradle 5.12 android.support.multidex.multidexapplication 5.12: AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android=" package="com.example.myapplication" > <application android:name="android.support.multidex.multidexapplication"> </application> </manifest> minsdkversion 21 multidex dex ANR ProGuard dex API Level 14 Dalvik linearalloc *4 ProGuard Dalvik linearalloc limit *5 API Level 14 API Level 21 dex * 4 *

98 5 Android Gradle : multidex minsdkversion multidex minsdkversion 21 ART ART dex oat dex minsdkversion 21 Dalvik dex dex dex dex minsdkversion 21 multidex minsdkversion 21 Product Flavor Product Flavor 5.11 ProGuard ProGuard android.buildtypes.* Build Type release 5.13 release ProGuard 5.13: app/build.gradle ProGuard android { buildtypes { release { // ProGuard minifyenabled true proguardfiles getdefaultproguardfile('proguard-android.txt'), 'proguard-rules.pro' 97

99 5 Android Gradle getdefaultproguardfile() Android SDK ProGuard <SDK ROOT>/tools/proguard/ proguard-android.txt proguard-androidoptimize.txt debug Build Type ProGuard release proguardfiles Build Type release debug ProGuard 5.12 apk 1 Google Play Services 5.14 apk 5.14: android { defaultconfig { resconfigs "en", "ja" 98

100 5 Android Gradle 5.13 apk 2 Google Play Services 5.11 ProGuard shrinkresources 5.15 Build Type shrinkresources 5.15: android { buildtypes { release { // ProGuard shrinkresources minifyenabled true shrinkresources true proguardfiles getdefaultproguardfile('proguard-android.txt'), 'proguard-rules.pro' shrinkresources minifyenabled 99

101 5 Android Gradle shrinkresources Gradle --info Strict Safe Safe Safe Resources#getIdentifier() format string 5.16 res/raw/keep.xml Strict apk 5.16: res/raw/keep.xml Strict <?xml version="1.0" encoding="utf-8"?> <resources xmlns:tools=" tools:shrinkmode="strict" /> Strict 100

102 5 Android Gradle tools:keep tools:discard : res/raw/keep.xml <?xml version="1.0" encoding="utf-8"?> <resources xmlns:tools=" tools:shrinkmode="safe" /> tools:keep apk tools:discard * 5.14 RenderScript Support Library RenderScript Support Library API Level 8 Android 2.2, Froyo RenderScript RenderScript Support Library RenderScript Support Library app/build.gradle android.defaultconfig android.productflavors.* 5.18 defaultconfig 5.18: app/build.gradle RenderScript Support Library android { defaultconfig { // support renderscript 101

103 5 Android Gradle renderscriptsupportmodeenabled true renderscripttargetapi 21 renderscriptoptimlevel 3 renderscriptndkmodeenabled false RenderScript Support Library ProGuard 5.19 app/proguard-rules.pro 5.19: app/proguard-rules.pro # RenderScript Support Library -keep class android.support.v8.renderscript.** { *; ProGuard 5.11 ProGuard 5.15 ABI apk apk splits ABI apk : ABI apk android { splits { abi { enable true reset() include 'x86', 'armeabi-v7a', 'mips' universalapk true 102

104 5 Android Gradle ext.versioncodes = ['armeabi-v7a':1, 'mips':2, 'x86':3] import com.android.build.outputfile android.applicationvariants.all { variant -> // assign different version code for each output variant.outputs.each { output -> def filter = output.getfilter(outputfile.abi) if (filter == null) { // universal apk return output.versioncodeoverride = project.ext.versioncodes.get(filter) * android.defaultconfig.versioncode android.splits.abi apk enable 5.34 IDE IDE reset() include include ABI include ABI ABI include include reset() exclude include universalapk 103

105 5 Android Gradle ABI apk false versioncode Play Store versioncode Google * density apk apk splits density apk : apk android { splits { density { enable true exclude "ldpi", "tvdpi", "xxxhdpi" compatiblescreens 'small', 'normal', 'large', 'xlarge' ext.versioncodes = ['ldpi':1,'mdpi':2, 'tvdpi': 3,'hdpi':4, 'xhdpi':5, 'xxhdpi':6, 'xxxhdpi':7] import com.android.build.outputfile android.applicationvariants.all { variant -> // assign different version code for each output variant.outputs.each { output -> def filter = output.getfilter(outputfile.density) if (filter == null) { // universal apk *

106 5 Android Gradle return output.versioncodeoverride = project.ext.versioncodes.get(filter) * android.defaultconfig.versioncode android.splits.abi apk enable 5.34 IDE IDE reset() include include DENSITY include include include reset() exclude include compatiblescreens screen size apk AndroidManifest.xml <compatible-screens><screen > ABI universal apk universal apk versioncode Play Store versioncode Google *7 *

107 5 Android Gradle ABI Product Flavor versioncode versioncode Build Type versioncode 5.17 / Build Type Product Flavor *Compile Build Type 5.22 debug grid layout 5.22: debug dependencies { //Build Type *Compile debugcompile 'com.android.support:gridlayout-v7:21.0.2' Product Flavor 5.18 Build Type Product Flavor Build Type Product Flavor configurations configuration 5.23 flavor1+debug EventBus 5.23: 106

108 5 Android Gradle android { productflavors { flavor1 { flavor2 { // // configuration configurations { // flavor1, debug ( ) flavor1debugcompile dependencies { // flavor1debug flavor1debugcompile 'de.greenrobot:eventbus:2.4.0' 5.19 Gradle 5.24 google-api-client-android google-api-client-android 5.24: dependencies { 107

109 5 Android Gradle compile('com.google.api-client:google-api-client-android: rc') { exclude module: 'xpp3' exclude module: 'httpclient' exclude module: 'junit' exclude module: 'android' apk 5.20 A B A B git submodule maven AAR *8 Gradle../mylibrary/ library settings.gradle : settings.gradle * 8 108

110 5 Android Gradle include ':app' 5.26: settings.gradle include ':app', ':library' project(':library').projectdir = new File(settingsDir, '../mylibrary/library') :library 1../mylibrary/library new File(settingsDir, " ") settingsdir Gradle settings.gradle Android Studio UI Sync Project with Gradle Files Android Studio build.gradle dependencies compile project( :library ) settings.gradle :library 5.21 dependencies compile project( :library ) debug 109

111 5 Android Gradle build.gradle : app/proguard-rules.pro android { // release/debug defaultpublishconfig "librelease" publishnondefault true productflavors { lib release lib Product Flavor Product Flavor Product Flavor dependencies 5.28 mylibrary 5.28: dependencies { // 110

112 5 Android Gradle debugcompile project(path: ':mylibrary', configuration: 'libdebug') releasecompile project(path: ':mylibrary', configuration: 'librelease') 5.22 Build Type AndroidManifest Google Play Services Maps v2 AndroidManifest.xml Build Type Build Type AndroidManifest.xml Manifest merger AndroidManifest.xml build.gradle buildtypes AndroidManifest.xml build.gradle 5.29 AndroidManifest.xml 5.29: app/build.gradle android { buildtypes { release { manifestplaceholders = [maps2_key: ' API '] debug { manifestplaceholders = [maps2_key: ' API '] 111

113 5 Android Gradle :, groovy map tostring() AndroidManifest.xml build.gradle AndroidManifest.xml ${ 5.30: AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android=" package="com.example.myapplication" > <application android:allowbackup="true" android:name=".myapplication" > <!-- build.gradle ${ --> <meta-data android:name="com.google.android.maps.v2.api_key" android:value="${maps2_key"/> manifestplaceholders applicationid manifestplaceholders Build Type Product Flavor 112

114 5 Android Gradle 5.23 BuildConfig R BuildConfig : BuildConfig /** * Automatically generated file. DO NOT MODIFY */ package com.example.myapplication; public final class BuildConfig { public static final boolean DEBUG = Boolean.parseBoolean("true"); public static final String APPLICATION_ID = "com.example.myapplication"; public static final String BUILD_TYPE = "debug"; public static final String FLAVOR = ""; public static final int VERSION_CODE = 100; public static final String VERSION_NAME = "1.2.3"; Product Flavor build.gradle git commit short hash : app/build.gradle android { defaultconfig { def githash = 'git rev-parse --short HEAD'.execute().text.trim() buildconfigfield "String", "GIT_HASH", "\"" + githash + "\"" 113

115 5 Android Gradle buildconfigfield 3 FQCN public static final arg1 arg2 = arg3; BuildConfig " 5.32 BuildConfig.java : GIT_HASH BuildConfig /** * Automatically generated file. DO NOT MODIFY */ package com.example.myapplication; public final class BuildConfig { public static final boolean DEBUG = Boolean.parseBoolean("true"); public static final String APPLICATION_ID = "com.example.myapplication"; public static final String BUILD_TYPE = "debug"; public static final String FLAVOR = ""; public static final int VERSION_CODE = 100; public static final String VERSION_NAME = "1.2.3"; // Fields from default config. public static final String GIT_HASH = "8475e49"; buildconfigfield Product Flavor Build Type : buildconfigfield applicationvariants.all { variant -> // variant variant variant.buildconfigfield "int", "VALUE", "1" 114

116 5 Android Gradle 5.24 PC 5.35 gradle.properties local.properties release 5.35: app/build.gradle android { // signingconfig signingconfigs { release buildtypes { release { // release signingconfig // gradle.properties local.properties if (project.hasproperty('storefile')) { signingconfig signingconfigs.release dependencies { 115

117 5 Android Gradle // android.signingconfigs.release if (project.hasproperty('storefile')) { android.signingconfigs.release.storefile = file(storefile) if (project.hasproperty('storepassword')) { android.signingconfigs.release.storepassword = storepassword if (project.hasproperty('keyalias')) { android.signingconfigs.release.keyalias = keyalias if (project.hasproperty('keypassword')) { android.signingconfigs.release.keypassword = keypassword gradle.properties local.properties : storefile=/users/zaki/.android/release.keystore storepassword=hug8urv0ab5yant0 keyalias=app_release keypassword=hug8urv0ab5yant0 storefile storepassword keyalias alias keypassword keyalias app/build/outputs/apk/ apk 116

118 5 Android Gradle 5.25 Maps API API : android { // debug signingconfigs { debug { // ( ) debug.keystore storefile file("../debug.keystore") debug.keystore.android/debug.keystore 5.26 Android Wear Android Studio File New Module 5.1 Android Wear Module Next 117

119 5 Android Gradle 5.1 wear wear settings.gradle include :wear wear apk app/build.gradle dependencies : app/build.gradle dependencies wearapp project(':wear') wearapp Android Wear project() : Gradle 118

120 5 Android Gradle : android.applicationvariants.all { variant -> // println variant.properties android.applicationvariants.each{ each all all 5.28 lint android.lintoptions lint 5.40: lint android { lintoptions { // true quiet true // true lint abortonerror false // true warning ignorewarnings true // true ( true) absolutepaths true // true checkallwarnings true // true 119

121 5 Android Gradle warningsaserrors true // id disable 'TypographyFractions','TypographyQuotes' // id enable 'RtlHardcoded','RtlCompat', 'RtlEnabled' // id check 'NewApi', 'InlinedApi' // true nolines true // true showall true // lint lintconfig file("default-lint.xml") // true textreport true // ('stdou' ) textoutput 'stdout' // true XML xmlreport false // XML ( 'lint-results.xml') xmloutput file("lint-report.xml") // true HTML htmlreport true // HTML ( 'lint-results.html') htmloutput file("lint-report.html") // fatal checkreleasebuilds true // id fatal fatal 'NewApi', 'InlineApi' // id error 'Wakelock', 'TextViewEdits' // id warning 'ResourceAsColor' // id ignore 'TypographyQuotes' 120

122 5 Android Gradle 5.29 assets asset app/build.gradle android aaptoptions apk 5.41: asset android { aaptoptions { // apk ignoreassetspattern "!.svn:!.git:<dir>_*:.*:!cvs:!thumbs.db" ignore pattern 5.42 ignore pattern aapt --ignore-assets 5.42: ignorepattern!.svn:!.git:!.ds_store:!*.scc:.*:<dir>_*:!cvs:!thumbs.db:!picasa.ini:!*~ : :! <dir> <file> 121

123 5 Android Gradle! <dir> <file> * / * 5.30 jni.so.so src/main/jnilibs/ apk jnilibs ABI ABI armeabi armeabi-v7a arm64-v8a x86 x86_64 mips mips NDK *.c *.cpp Gradle NDK *.c *.cpp src/main/ jni NDK NDK local.properties ndk.dir

124 5 Android Gradle 5.43: NDK local.properties sdk.dir=/applications/android-sdk ndk.dir=/applications/android-ndk-r10d src/main/jni *.c *.cpp app/build.gradle android defaultconfig ndk Android.mk Application.mk 5.44: ndk android { defaultconfig { // NDK ndk { modulename "native_library" stl "gnustl_shared" // "gnustl_static" abifilters 'all' cflags "-DANDROID_NDK" // ABI //abifilters 'armeabi', 'armeabi-v7a', 'arm64-v8a', // 'x86', 'x86_64', 'mips', 'mips64' ldlibs "log" apk 123

125 5 Android Gradle 5.32 / apache commons *9 apk android packagingoptions 5.45: android { packagingoptions { exclude 'META-INF/NOTICE.txt' pickfirst 'META-INF/LICENSE.txt' 5.45 exclude pickfirst exclude apk apk exclude pickfirst apk apk jar * 9 commons jar META-INF/LICENSE.txt META-INF/NOTICE.txt 124

126 5 Android Gradle 5.33 apk apk *10 Android Studio Android Studio app app-debug.apk apk app-debug.apk apk app/build.gradle 5.46 my_application-v1.2.3-debug.apk release 5.46: apk def toapkfile(originalfile) { def nameprefix = "my_application" def name = originalfile.name.replace(project.name, nameprefix + "-v" + android.defaultconfig.versionname) return new File(originalFile.parentFile, name) android.applicationvariants.all { variant -> // apk splits variant.outputs variant.outputs.each { output -> // output.outputfile = toapkfile(output.outputfile) if (output.packageapplication.outputfile!= output.outputfile) { // zipalign output.packageapplication.outputfile = toapkfile(output.packageapplication.outputfile) * 10 apk app/build/outputs/apk/ 125

127 5 Android Gradle my_application nameprefix 1 apk Android Studio apk 5.34 IDE IDE 5.34 IDE 5.33 apk IDE 5.47 IDE 5.47: IDE // Android Studio -Pandroid.injected.invoked.from.ide=true def isidebuild = project.properties['android.injected.invoked.from.ide'] if (isidebuild == null isidebuild.equalsignorecase("true")) { // IDE else { // IDE 5.35 predex predex predex predex skip 126

128 5 Android Gradle 5.48 build.gradle 5.48: predex skip project.ext { // -PdisablePreDex predexlibs =!project.hasproperty('disablepredex') subprojects { // project.plugins.whenpluginadded { plugin -> if ("com.android.build.gradle.appplugin".equals(plugin.class.name)) { project.android.dexoptions.predexlibraries = rootproject.ext.predexlibs else if ("com.android.build.gradle.libraryplugin".equals(plugin.class.name)) { project.android.dexoptions.predexlibraries = rootproject.ext.predexlibs gradle -PdisablePreDex predex 5.36 Gradle Gradle Gradle Gradle SCM *11 Gradle Gradle Android Studio Android Studio Gradle *12 * 11 Source Code Management * 12 Version Compatibility 127

129 5 Android Gradle Gradle Gradle Android Studio build.properties Gradle Gradle Gradle gradleversion Gradle 5.49: Gradle task wrapper(type: Wrapper) { gradleversion = '2.2.1' Windows $. gradlew.bat wrapper Windows 128

130 5 Android Gradle $./gradlew wrapper gradle Gradle gradle/wrapper/gradle-wrapper.properties Gradle gradle-wrapper.properties : gradle-wrapper.properties #Thu Nov 20 19:00:38 JST 2014 distributionbase=gradle_user_home distributionpath=wrapper/dists zipstorebase=gradle_user_home zipstorepath=wrapper/dists distributionurl=https\://services.gradle.org/distributions/gradle all.zip distributionurl Gradle all bin Gradle bin all distributionurl Gradle Gradle 5.37 ProGuard ProGuard ProGuard mapping.txt mapping.txt 5.51 mapping.txt 129

131 5 Android Gradle 5.51: mapping.txt android.applicationvariants.all { variant -> def mappingfile = variant.mappingfile if (mappingfile!= null) { // PrGuard // ProGuard mappingfile null Gradle Android Google Groups Android Studio android gradle plugin 1.0 Gradle groovy Java Gradle Android Gradle 130

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