qt for android 实现悬浮窗

package com.dynavin.example; import java.util.ArrayList; import java.util.List; import java.io.IOException; import android.app.ActivityManager; import android.app.ActivityManager.RunningTaskInfo; import android.app.Service; import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; import android.graphics.PixelFormat; import android.os.Handler; import android.os.IBinder; import android.os.Message; import android.view.MotionEvent; import android.view.View; import android.view.View.OnTouchListener; import android.view.WindowManager; import android.widget.Button; import android.util.Log; import android.widget.GridLayout; import android.widget.LinearLayout; import android.widget.RelativeLayout; import android.widget.TextView; import android.app.Instrumentation; import android.view.KeyEvent; public class TopWindowService extends Service { public static final String TAG = "lkb"; public static final String OPERATION = "operation"; public static final int OPERATION_SHOW = 100; public static final int OPERATION_HIDE = 101; private static final int HANDLE_CHECK_ACTIVITY = 200; private boolean isAdded = false; // 是否已增加悬浮窗 private static WindowManager wm; private static WindowManager.LayoutParams params; private static WindowManager.LayoutParams params2; private Button btn_ctrl; //to control button panel show/hide public boolean bPanelAdd = false; private List<String> homeList; // 桌面应用程序包名列表 private ActivityManager mActivityManager; @Override public IBinder onBind(Intent intent) { Log.v(TAG,new Exception().getStackTrace()[0].getMethodName()); return null; } @Override public void onCreate() { Log.v(TAG,new Exception().getStackTrace()[0].getMethodName()); super.onCreate(); homeList = getHomes(); createFloatView(); } @Override public void onDestroy() { Log.v(TAG,new Exception().getStackTrace()[0].getMethodName()); super.onDestroy(); } @Override public int onStartCommand(Intent intent, int flags, int startId) { Log.v(TAG,new Exception().getStackTrace()[0].getMethodName()); //lkb delete: // int operation = intent.getIntExtra(OPERATION, OPERATION_SHOW); // switch (operation) // { // case OPERATION_SHOW: // mHandler.removeMessages(HANDLE_CHECK_ACTIVITY); // mHandler.sendEmptyMessage(HANDLE_CHECK_ACTIVITY); // break; // case OPERATION_HIDE: // mHandler.removeMessages(HANDLE_CHECK_ACTIVITY); // break; // } return super.onStartCommand(intent, flags, startId); } private Handler mHandler = new Handler() { @Override public void handleMessage(Message msg) { Log.v(TAG,new Exception().getStackTrace()[0].getMethodName()); switch (msg.what) { case HANDLE_CHECK_ACTIVITY: Log.v(TAG,new Exception().getStackTrace()[0].getMethodName() + "check activity"); if (isHome()) { if (!isAdded) { wm.addView(btn_ctrl, params); isAdded = true; } } else { if (isAdded) { wm.removeView(btn_ctrl); isAdded = false; } } mHandler.sendEmptyMessageDelayed(HANDLE_CHECK_ACTIVITY, 1000); break; } } }; /** * 创建悬浮窗 */ private void createFloatView() { final LinearLayout panelLayout = new LinearLayout(this); panelLayout.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Log.v(TAG,"panel click: id="+view.getId()); // switch(view.getId()){ // case // } } }); Log.v(TAG,new Exception().getStackTrace()[0].getMethodName()); wm = (WindowManager) getApplicationContext().getSystemService( Context.WINDOW_SERVICE); params = new WindowManager.LayoutParams(); // 设置window type params.type = WindowManager.LayoutParams.TYPE_SYSTEM_ALERT; //params.type = WindowManager.LayoutParams.TYPE_PHONE; /* * 如果设置为params.type = WindowManager.LayoutParams.TYPE_PHONE; 那么优先级会降低一些, * 即拉下通知栏不可见 */ params.format = PixelFormat.RGBA_8888; // 设置图片格式，效果为背景透明 // 设置Window flag params.flags = WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; /* * 下面的flags属性的效果形同“锁定”。 悬浮窗不可触摸，不接受任何事件,同时不影响后面的事件响应。 * wmParams.flags=LayoutParams.FLAG_NOT_TOUCH_MODAL | * LayoutParams.FLAG_NOT_FOCUSABLE | LayoutParams.FLAG_NOT_TOUCHABLE; */ // 设置悬浮窗的长得宽 params.width = 1200; params.height = 100; params.x = -550; params.y = 400; btn_ctrl = new Button(getApplicationContext()); btn_ctrl.setText("Ctrl"); btn_ctrl.setWidth(80); btn_ctrl.setHeight(80); btn_ctrl.setBackgroundResource(R.drawable.btn_back); //!! // 设置悬浮窗的Touch监听 btn_ctrl.setOnTouchListener(new OnTouchListener() { int lastX, lastY; int paramX, paramY; boolean bDownflag = false; public boolean onTouch(View v, MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: lastX = (int) event.getRawX(); lastY = (int) event.getRawY(); paramX = params2.x; paramY = params2.y; bDownflag = true; break; case MotionEvent.ACTION_MOVE: int dx = (int) event.getRawX() - lastX; int dy = (int) event.getRawY() - lastY; params2.x = paramX + dx; params2.y = paramY + dy; //update btn_ctrl pos wm.updateViewLayout(btn_ctrl, params2); bDownflag = false; break; case MotionEvent.ACTION_UP: if (bDownflag){ bDownflag = false; Log.v(TAG,"ctrl click"); if (bPanelAdd){ wm.removeView(panelLayout); bPanelAdd = false;