button.setOnClickListener(new View.OnClickListener() {
       @Override
       public void onClick(View view) {

       }
   });
   button.performClick(); //触发点击事件

Observable observable = Observable.create(new Observable.OnSubscribe<String>() {
    @Override
    public void call(Subscriber<? super String> subscriber) {
        subscriber.onNext("Hello");
        subscriber.onNext("Hi");
        subscriber.onNext("Aloha");
        subscriber.onCompleted();
    }
});

Observable observable = Observable.just("Hello", "Hi", "Aloha");
// 将会依次调用：
// onNext("Hello");
// onNext("Hi");
// onNext("Aloha");
// onCompleted();

String[] words = {"Hello", "Hi", "Aloha"};
Observable observable = Observable.from(words);
// 将会依次调用：
// onNext("Hello");
// onNext("Hi");
// onNext("Aloha");
// onCompleted();

Action1<String> onNextAction = new Action1<String>() {
    // onNext()
    @Override
    public void call(String s) {
        Log.d(tag, s);
    }
};
Action1<Throwable> onErrorAction = new Action1<Throwable>() {
    // onError()
    @Override
    public void call(Throwable throwable) {
        // Error handling
    }
};
Action0 onCompletedAction = new Action0() {
    // onCompleted()
    @Override
    public void call() {
        Log.d(tag, "completed");
    }
};

// 自动创建 Subscriber ，并使用 onNextAction 来定义 onNext()
observable.subscribe(onNextAction);
// 自动创建 Subscriber ，并使用 onNextAction 和 onErrorAction 来定义 onNext() 和 onError()
observable.subscribe(onNextAction, onErrorAction);
// 自动创建 Subscriber ，并使用 onNextAction、 onErrorAction 和 onCompletedAction 来定义 onNext()、 onError() 和 onCompleted()
observable.subscribe(onNextAction, onErrorAction, onCompletedAction);

Observable.just(1, 2, 3, 4)
    .subscribeOn(Schedulers.io()) // 指定 subscribe() 发生在 IO 线程
    .observeOn(AndroidSchedulers.mainThread()) // 指定 Subscriber 的回调发生在主线程
    .subscribe(new Action1<Integer>() {
        @Override
        public void call(Integer number) {
            Log.d(tag, "number:" + number);
        }
    });

TextToSpeech mTts;
mTts=new TextToSpeech(this, new TextToSpeech.OnInitListener() {
          @Override
          public void onInit(int status) {
              // status can be either TextToSpeech.SUCCESS or TextToSpeech.ERROR.
              if (status == TextToSpeech.SUCCESS) {
                  // Set preferred language to US english.
                  // Note that a language may not be available, and the result will indicate this.
                  int result = mTts.setLanguage(Locale.CHINA);
                  // Try this someday for some interesting results.
                  // int result mTts.setLanguage(Locale.FRANCE);
                  if (result == TextToSpeech.LANG_MISSING_DATA || result == TextToSpeech.LANG_NOT_SUPPORTED) {
                      // Lanuage data is missing or the language is not supported.
                      Log.e(TAG, "Language is not available.");
                      Intent installIntent = new Intent();
                      installIntent.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
                      startActivity(installIntent);
                  } else {
                      // Check the documentation for other possible result codes.
                      // For example, the language may be available for the locale,
                      // but not for the specified country and variant.
                      // The TTS engine has been successfully initialized.
                      // Allow the user to press the button for the app to speak again.
                      Log.i(TAG,"初始化成功");
                      mTts.speak("初始化成功",TextToSpeech.QUEUE_FLUSH,null);
                  }
              } else {
                  // Initialization failed.
                  Log.e(TAG, "Could not initialize TextToSpeech.");
              }
          }
      });

@Override
protected void onDestroy() {
    super.onDestroy();
    // 关闭TextToSpeech对象
    if (mTts != null) {
        mTts.shutdown();
    }
}

private GoogleMap mMap;
// Create a LatLngBounds that includes Australia.
private LatLngBounds AUSTRALIA = new LatLngBounds(
  new LatLng(-44, 113), new LatLng(-10, 154));

// Set the camera to the greatest possible zoom level that includes the
// bounds
mMap.moveCamera(CameraUpdateFactory.newLatLngBounds(AUSTRALIA, 0));

LatLngBounds.Builder latLngBounds=new LatLngBounds.Builder();
  for (int i=0;i<latLngs.size();i++){
      latLngBounds.include(latLngs.get(i));
  }
  googleMap.moveCamera(CameraUpdateFactory.newLatLngBounds(latLngBounds.build(), 30));

googleMap.setOnMapLoadedCallback(this); 
 @Override
    public void onMapLoaded() {
	//添加实现的代码
	}

public class UserGlobalApp extends Application{
    private static UserGlobalApp application;
    private final static String dbName = "HiJia"; //数据库名字
    /** A flag to show how easily you can switch from standard SQLite to the encrypted SQLCipher. */
    public static final boolean ENCRYPTED = false;  //改为true需要加入包compile 'net.zetetic:android-database-sqlcipher:3.5.1'
    private DaoSession daoSession;
	  @Override
    public void onCreate() {
        super.onCreate();
        application=this;
       initDb();
    }

    /***
     * 初始化greenDao
     * 数据库
     */
    private void initDb(){
    DaoMaster.DevOpenHelper helper = new DaoMaster.DevOpenHelper(this, ENCRYPTED ? dbName+"-encrypted.db" : dbName+".db",null);
    Database db = ENCRYPTED ? helper.getEncryptedWritableDb("super-secret") : helper.getWritableDb();
    daoSession = new DaoMaster(db).newSession();
	}
    public DaoSession getDaoSession() {
        return daoSession;
    }

	public static UserGlobalApp getApplication(){
		return application;
	}
}

UserGlobalApp.getApplication().getDaoSession().getTrackPointDao().insert(new TrackPoint((long) 10,System.currentTimeMillis(),10.01,10.02,1));
Log.i("sssss",""+UserGlobalApp.getApplication().getDaoSession().getTrackPointDao().loadAll().size());

public static final boolean ENCRYPTED = false;  //改为true需要加入包compile 

File path=new File(Environment.getExternalStorageDirectory(),"BleDemo/db/"+dbName);  //设置存储路径
path.getParentFile().mkdirs();
DaoMaster.DevOpenHelper helper = new DaoMaster.DevOpenHelper(this, ENCRYPTED ? path.getAbsolutePath()+"-encrypted.db" : path.getAbsolutePath()+".db",null);

toolbar = (Toolbar) findViewById(R.id.toolbar);
       toolbar.setTitle("标题"); 
       toolbar.setSubtitle("副标题");
       toolbar.setTitleTextColor(Color.WHITE); //颜色
       toolbar.setSubtitleTextColor(Color.WHITE);
       toolbar.setLogo(R.mipmap.debug); //图标

       //设置导航图标要在setSupportActionBar方法之后
       setSupportActionBar(toolbar);
       toolbar.setNavigationIcon(R.mipmap.ic_launcher);

toolbar = (Toolbar) findViewById(R.id.toolbar);
        toolbar.setTitle("标题");
        toolbar.setSubtitle(副标题);
        //设置导航图标要在setSupportActionBar方法之后
        setSupportActionBar(toolbar);
        if(getSupportActionBar() != null)
        getSupportActionBar().setDisplayHomeAsUpEnabled(true); // Enable the Up button

 @Override
 public boolean onOptionsItemSelected(MenuItem item) {
     switch (item.getItemId()){
         case android.R.id.home: //返回键
//添加处理代码
           break;
     }
     return super.onOptionsItemSelected(item);
 }

ScanSettings settings = new ScanSettings.Builder()
      //设置扫描模式（SCAN_MODE_LOW_LATENCY扫描优先，SCAN_MODE_LOW_POWER省电优先，SCAN_MODE_BALANCED平衡模式,SCAN_MODE_OPPORTUNISTIC安卓6.0里面才用的模式）
                .setScanMode(ScanSettings.SCAN_MODE_OPPORTUNISTIC)
        //设置扫描的时间，设置了这一项，将扫描5秒，然后在onBatchScanResults里面回调
                .setReportDelay(5000)
            //android 6.0可用
                .setMatchMode(1)
            //android 6.0可用
                .setCallbackType(1)
            //android 6.0可用
                .setNumOfMatches(1)
                .build();