Must-have Libraries für Android

1buildscript {
2    // …
3    dependencies {
4        classpath 'com.android.tools.build:gradle:2.2.3'
5        classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
6    }
7    // …
8}

1apply plugin: 'android-apt'
2 
3android {
4    // …
5}
6 
7dependencies {
8    // …
9    apt('org.androidannotations:androidannotations:4.2.0')

10    compile('org.androidannotations:androidannotations-api:4.2.0')
11}

1public class ExampleActivity extends Activity {
2    private Button exampleButton;
3 
4    @Override
5    protected void onCreate(Bundle savedInstanceState) {
6        super.onCreate(savedInstanceState);
7        setContentView(R.layout.layout_example);
8        exampleButton = (Button) findViewById(R.id.exampleButton);
9        exampleButton.setOnClickListener(new OnClickListener() {
10            @Override
11
            public void onClick(View view) {
12
                    // do something
13
            }
14        });
15    }
16}

1@EActivity(R.layout.layout_example);
2public class ExampleActivity extends Activity {
3    @ViewById
4    Button exampleButton;
5 
6    @Click
7    void exampleButtonWasClicked() {
8        // do something
9    }
10}

1apply plugin: 'android-apt'
2 
3android {
4    // …
5}
6 
7dependencies {
8    // …
9    compile('org.greenrobot:eventbus:3.0.0')
10}

1public class ExampleActivity extends Activity {
2    protected final EventBus eventBus = EventBus.getDefault();
3 
4    @Override
5    protected void onStart() {
6        super.onStart();
7        eventBus.register(this);
8    }
9 
10    @Override
11    protected void onStop() {
12        super.onStop();
13        eventBus.unregister(this);
14    }
15}

1@EActivity(R.layout.layout_example);
2public class ExampleActivity extends Activity {
3 
4    @State
5    String exampleText;
6 
7    @ViewById
8    Button exampleButton;
9 
10    @Click
11    void exampleButtonWasClicked() {
12        // do something
13    }
14 
15    @Override
16    protected void onSaveInstanceState(Bundle outState) {
17
        super.onSaveInstanceState(outState);

18            Icepick.saveInstanceState(this, outState);
19
    }


20 
21    @Override
22
    protected void onRestoreInstanceState(Bundle savedInstanceState) {
23
            super.onRestoreInstanceState(savedInstanceState);
24
            Icepick.restoreInstanceState(this, savedInstanceState);

25    }
26}

1public class ExampleApplication extends Application {
2 
3    @Override
4    public void onCreate() {
5        super.onCreate();
6        if (LeakCanary.isInAnalyzerProcess(this)) {
7            // This process is dedicated to LeakCanary for heap analysis.
8            // You should not init your app in this process.
9            return;
10        }
11            LeakCanary.install(this);
12      }
13}