Tech2_Vol6_Chap15_3kou.indd

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2 15-1 LESSON KEYWORD 34

4 36

6 check! 38

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10 42

11 1AndroidManifest.xmlandroid.permission.INTERNET" <manifest xmlns:android=" package="" > <uses-permission android:name="android.permission.internet"/> <application>  </application> </manifest> // 2MainActivity.java import com.loopj.android.http.asynchttpclient; 43

12 3MainActivity.javaHttpURLConnection public class MainActivity extends Activity protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); new DownloadTask().execute(); private static class DownloadTask extends AsyncTask<Void, Void, Void> protected Void doinbackground(void... params) { try { URL url = new URL(" HttpURLConnection connection = (HttpURLConnection) url.openconnection(); connection.setrequestmethod("get"); connection.setrequestproperty("host", "tomorrowkey.github.io"); connection.connect(); int responsecode = connection.getresponsecode(); Log.d("TEST", "Response-Code=" + responsecode); String contentlength = connection.getheaderfield("content-length"); Log.d("TEST", "Content-Length=" + contentlength); String contenttype = connection.getheaderfield("content-type"); Log.d("TEST", "Content-Type=" + contenttype); InputStream inputstream = connection.getinputstream(); String body = readtoend(inputstream); Log.d("TEST", "body=" + body); inputstream.close(); catch (MalformedURLException e) { throw new RuntimeException(e); catch (IOException e) { throw new RuntimeException(e); return null; private String readtoend(inputstream inputstream) throws IOException { StringBuilder sb = new StringBuilder(); int length; byte[] buffer = new byte[1024]; while ((length = inputstream.read(buffer))!= -1) { sb.append(new String(buffer, 0, length)); return sb.tostring(); 44

.. params) { try { URL url = new URL("http://tomorrowkey.github.io"); HttpURLConnection connection = (HttpURLConnection) url.openconnection(); connection.setrequestmethod("get"); connection.

13 45

14 4MainActivity.javaandroid-http-async public class extends Activity protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); loadasync(); private void loadasync() { AsyncHttpClient client = new AsyncHttpClient(); // client.get(" new AsyncHttpResponseHandler() public void onsuccess(int responsecode, Header[] headers, byte[] response) { //UI String body = new String(response); Log.d("TEST", "body=" + public void onfailure(int responsecode, Header[] headers, byte[] response, Throwable e) { // ); 46

$activity_main); loadasync(); private void loadasync() { AsyncHttpClient client = new AsyncHttpClient(); // client.get("http://tomorrowkey.github.$

15 MainActivity.javaloadAsyncURL private void loadasync(string url) { AsyncHttpClient client = new AsyncHttpClient(); client.get(url, new AsyncHttpResponseHandler() { // ); 47

16 6MainActivity.java private void loadasync(string url) { if (TextUtils.isEmpty(url)) { return; AsyncHttpClient client = new AsyncHttpClient(); client.get(url, new AsyncHttpResponseHandler() { // ); 7MainActivity.javastartsWith // " if(!url.startswith(" return; 8MainActivity.java URL try{ URL url = new URL(urlString); catch(malformedurlexception e){ // URLMalformedURLExceptionthrowreturn return; 48

get(url, new AsyncHttpResponseHandler() { // ); 7MainActivity.javastartsWith // "http://"return if(!url.startswith("http://")){ return; 8MainActivity.

17 9MainActivity.java private String loadasync(string url) { AsyncHttpClient client = new AsyncHttpClient(); client.get(url, new AsyncHttpResponseHandler() public void onsuccess(int responsecode, Header[] headers, byte[] response) { String body = new String(response); return body; // ); 10MainActivity.java private String loadasync(string url) { AsyncHttpClient client = new AsyncHttpClient(); //1 get client.get(url, new AsyncHttpResponseHandler() public void onsuccess(int responsecode, Header[] headers, byte[] response) { //3 String body = new String(response); return body; // ); //2 loadasync 49

String(response); return body; // ); 10MainActivity.

18 11MainActivity.java //interface public interface OnLoadListener { public void onload(string result); //OnLoadListener private void loadasync(string url, final OnLoadListener listener) { AsyncHttpClient client = new AsyncHttpClient(); client.get(url, new AsyncHttpResponseHandler() public void onsuccess(int responsecode, Header[] headers, byte[] response) { String body = new String(response); // listener.onload(body); // ); 50

private void loadasync(string url, final OnLoadListener listener) { AsyncHttpClient client = new

19 protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_android_http_async); loadasync(" new OnLoadListener() public void onload(string result) { // ); check! 51

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21 LESSON KEYWORD

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27 13MainActivity.java import com.beardedhen.androidbootstrap.bootstrapbutton;

28 14activity_main.xmlBootstrapButton <RelativeLayout xmlns:android=" xmlns:tools=" xmlns:library=" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".mainactivity"> <com.beardedhen.androidbootstrap.bootstrapbutton android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="10dp" android:text="hello Bootstrap!" library:bb_type="success" /> </RelativeLayout> activity_main.xmlBootstrapButton library:bb_type="success" 60

29 check! 16activity_main.xmlbb_type library:bb_type="danger" 61

30 17AndroidBootstrap-attr.xml <?xml version="1.0" encoding="utf-8"?> <resources> <declare-styleable name="bootstrapbutton"> <attr name="bb_type" format="string"/> <attr name="bb_icon_left" format="string"/> <attr name="bb_icon_right" format="string"/> <attr name="bb_roundedcorners" format="boolean"/> <attr name="bb_text_alignment" format="string"/> <attr name="bb_size" format="string"/> <attr name="bb_text_gravity" format="string"/> <attr name="android:textsize"/> <attr name="android:text"/> <attr name="android:enabled"/> <attr name="android:layout_width"/> </declare-styleable>  62

31 18BootstrapButton.java :private void initialise( AttributeSet attrs ) { : TypedArray a = getcontext().obtainstyledattributes(attrs, 122: R.styleable.BootstrapButton); : String bootstraptype = "default"; : if (a.getstring(r.styleable.bootstrapbutton_bb_type)!= null) { 141: bootstraptype = a.getstring(r.styleable.bootstrapbutton_bb_type); 142: 63

32 19BootstrapButton.java240 26: private static Map<String, BootstrapTypes> bbuttontypemap; -- 36: private boolean roundedcorners = false; : BootstrapTypes type = null; : //get the correct background type 241: if(roundedcorners == true) 242: { 243: type = bbuttontypemaprounded.get(bootstraptype); 244: else { 245: type = bbuttontypemap.get(bootstraptype); 246: 247: 248: //set up as default 249: if (type == null) 250: { 251: type = BootstrapTypes.DEFAULT; 252: 253: 254: //apply the background type 255: layout.setbackgroundresource(type.backgrounddrawable); 256: lblleft.settextcolor(getresources().getcolor(type.textcolour)); 257: lblmiddle.settextcolor(getresources().getcolor(type.textcolour)); 258: lblright.settextcolor(getresources().getcolor(type.textcolour)); <> 64

33 20BootstrapButton.java84 84: private enum BootstrapTypes 85: { 86: DEFAULT(R.drawable.bbuton_default, R.color.black), 87: PRIMARY(R.drawable.bbuton_primary, R.color.white), 88: SUCCESS(R.drawable.bbuton_success, R.color.white), 89: INFO(R.drawable.bbuton_info, R.color.white), 90: WARNING(R.drawable.bbuton_warning, R.color.white), 91: DANGER(R.drawable.bbuton_danger, R.color.white), 92: INVERSE(R.drawable.bbuton_inverse, R.color.white), : private int backgrounddrawable; 103: private int textcolour; 104: 105: BootstrapTypes(int backgrounddrawable, int textcolour) 106: { 107: this.backgrounddrawable = backgrounddrawable; 108: this.textcolour = textcolour; 109: 110: 65

34 21BootstrapButton.java41 41: static{ 42: 43: bbuttontypemap = new HashMap<String, BootstrapTypes>(); 44: 45: bbuttontypemap.put("default", BootstrapTypes.DEFAULT); 46: bbuttontypemap.put("primary", BootstrapTypes.PRIMARY); 47: bbuttontypemap.put("success", BootstrapTypes.SUCCESS); 48: bbuttontypemap.put("info", BootstrapTypes.INFO); 49: bbuttontypemap.put("warning", BootstrapTypes.WARNING); 50: bbuttontypemap.put("danger", BootstrapTypes.DANGER); 51: bbuttontypemap.put("inverse", BootstrapTypes.INVERSE);

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38 check! 70

39 15-3 LESSON KEYWORD 71

41 73

42 22Calculator.javaCalculator package jp.techinstitute.t051.mylibrary; public class Calculator { public int plus(int a, int b) { return a + b; 74

43 75

44 23activity_main.xml UseMyLibrary <RelativeLayout xmlns:android=" xmlns:tools=" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".mainactivity"> <TextView android:textsize="40sp" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </RelativeLayout> 76

45 24MainActivity.java UseMyLibrary package jp.techinstitute.t051.myapplication; import android.support.v7.app.actionbaractivity; import android.os.bundle; import android.view.menu; import android.view.menuitem; import android.widget.textview; import jp.techinstitute.t051.mylibrary.calculator; public class MainActivity extends ActionBarActivity protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); Calculator calculator = new Calculator(); int result = calculator.plus(10, 15); TextView textview = (TextView)findViewById(R.id.text); textview.settext("result=" + result);

47 25LibraryActivity.java public class LibraryActivity extends ActionBarActivity { public static Intent createintent(context context) { return new Intent(context, protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_library); 26MainActivity.javaMainActivityLibraryActivity package jp.techinstitute.t051.myapplication; import android.content.intent; import android.support.v7.app.actionbaractivity; import android.os.bundle; import android.view.view; import jp.techinstitute.t051.mylibrary.libraryactivity; public class MainActivity extends ActionBarActivity protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); findviewbyid(r.id.button).setonclicklistener(new View.OnClickListener() public void onclick(view v) { Intent intent = LibraryActivity.createIntent(MainActivity.this); startactivity(intent); ); 79

48 27AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android=" package="com.techinstitute.usemylibrary"> <application>  <activity android:name="com.techinstitute.mylibrary.libraryactivity"/> </application> </manifest> 80

TechInstitute_Vol7_Chap17_fix.indd

TechInstitute_Vol7_Chap17_fix.indd 17-1 104 17-1-1 17-1-2 105 106 17-1-3 107 check! 108 17-1-4 109 110 17-1-5 111 112 1AndroidManifest.xmlandroid.permission.INTERNET"