Android 横屏启动activity,点击屏幕的单击、双击和长按事件
横屏启动activity
方法1:在androidmanyfest.xml的activity中加入属性 android:screenOrientation=
"landscape"
方法2:首先添加
import android.content.pm.ActivityInfo;
import android.view.Display;
在oncreate中加入如下代码
if(getRequestedOrientation()!=ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE){ setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);}
屏幕的单击和双击事件
mGestureDetector = new GestureDetector(new SimpleOnGestureListener(){ @Override public boolean onDoubleTap(MotionEvent e) { // TODO Auto-generated method stub return true; } @Override public boolean onSingleTapConfirmed(MotionEvent e) { // TODO Auto-generated method stub return true; } @Override public void onLongPress(MotionEvent e) { // TODO Auto-generated method stub }