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android+input+輕按兩下事件監聽,android:實作輕按兩下事件(DoubleClick)

public class DoubleClickTest extends Activity {

String TAG = "DoubleClickTest";

private boolean waitDouble = true;

private static final int DOUBLE_CLICK_TIME = 350; //兩次單擊的時間間隔

@Override

public void onCreate(Bundle savedInstanceState){

super.onCreate(savedInstanceState);

// 設定布局檔案,其中隻有一個Button

setContentView(R.layout.double_click_test);

Button button = (Button)findViewById(R.id.button);

button.setOnClickListener(listener);

}

OnClickListener listener = new OnClickListener()

{

@Override

public void onClick(View v)

{

if ( waitDouble == true )

{

waitDouble = false;

Thread thread = new Thread() {

@Override

public void run() {

try {

sleep(DOUBLE_CLICK_TIME);

if ( waitDouble == false ) {

waitDouble = true;

singleClick();

}

} catch (InterruptedException e) {

e.printStackTrace();

}

}

};

thread.start();

}

else {

waitDouble = true;

doubleClick();

}

}

};

// 單擊響應事件

private void singleClick(){

Log.i(TAG, "singleClick");

}

// 輕按兩下響應事件

private void doubleClick(){

Log.i(TAG, "doubleClick");

}

}

缺點:用延時來确定輕按兩下,因為開了新的線程,對主線程UI操作不便