android桌面悬浮窗显示录屏时间控制效果

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
  android:layout_width="wrap_content" 
  android:layout_height="wrap_content"> 
 
  <LinearLayout 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:background="@drawable/corners_bg" 
    android:paddingBottom="3dp" 
    android:paddingTop="3dp" 
    android:paddingLeft="15dp" 
    android:paddingRight="8dp" 
    android:layout_gravity="center" 
    android:gravity="center" 
    android:orientation="horizontal"> 
 
    <TextView 
      android:id="@+id/record_time" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:text="00:00" 
      android:textColor="#ffffff" 
      android:textSize="10dp" /> 
    <View 
      android:layout_width="2dp" 
      android:layout_height="match_parent" 
      android:layout_marginLeft="5dp" 
      android:layout_marginRight="5dp" 
      android:textColor="#ffffff" /> 
    <LinearLayout 
      android:id="@+id/stop_record" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:layout_gravity="center" 
      android:gravity="center" 
      android:orientation="horizontal"> 
      <ImageView 
        android:id="@+id/record_hint_button" 
        android:layout_width="10dp" 
        android:layout_height="10dp" 
        android:layout_marginRight="5dp" 
        android:background="#FF4040" /> 
 
      <TextView 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content" 
        android:text="结束" 
        android:textColor="#ffffff" 
        android:textSize="10dp" /> 
    </LinearLayout> 
  </LinearLayout> 
</LinearLayout> 

package com.android.systemui; 
 
 
import android.annotation.TargetApi; 
import android.app.Service; 
import android.content.Context; 
import android.content.Intent; 
import android.os.Binder; 
import android.os.Build; 
import android.os.Environment; 
import android.os.Handler; 
import android.os.IBinder; 
import android.os.Looper; 
import android.os.Message; 
import android.support.annotation.RequiresApi; 
import android.view.animation.AlphaAnimation; 
import android.view.animation.Animation; 
import android.view.animation.LinearInterpolator; 
 
 
import android.graphics.PixelFormat; 
import android.view.GestureDetector; 
import android.view.GestureDetector.SimpleOnGestureListener; 
import android.view.Gravity; 
import android.view.LayoutInflater; 
import android.view.MotionEvent; 
import android.view.View; 
import android.widget.LinearLayout; 
import android.widget.TextView; 
import android.view.View.OnTouchListener; 
import android.view.WindowManager; 
import android.view.WindowManager.LayoutParams; 
import android.widget.ImageButton; 
import android.widget.ImageView; 
import android.widget.LinearLayout; 
import android.widget.Toast; 
import com.android.systemui.R; 
import android.util.Log; 
import java.io.File; 
import java.io.IOException; 
 
public class ScreenRecordService extends Service implements Handler.Callback { 
 
 
  private final String TAG = "ScreenRecordService"; 
  private Handler mHandler; 
  //已经录制多少秒了 
  private int mRecordSeconds = 0; 
  private static final int MSG_TYPE_COUNT_DOWN = 110; 
 
  /** 
   * 定义浮动窗口布局 
   */ 
  LinearLayout mlayout; 
  TextView recordTime; 
  /** 
   * 悬浮窗控件 
   */ 
  ImageView recordHintButton; 
  LinearLayout stopRecord; 
  /** 
   * 悬浮窗的布局 
   */ 
  WindowManager.LayoutParams wmParams; 
  LayoutInflater inflater; 
  /** 
   * 创建浮动窗口设置布局参数的对象 
   */ 
  WindowManager mWindowManager; 
 
 
  //触摸监听器 
  GestureDetector mGestureDetector; 
 
 
  FloatingListener mFloatingListener; 
 
  @Override 
  public void onCreate() { 
    super.onCreate(); 
   initWindow();//设置窗口的参数 
   initFloating();//设置悬浮窗图标 
 } 
  @Override 
  public void onDestroy() { 
    super.onDestroy(); 
    try { 
      if (mlayout != null) { 
        // 移除悬浮窗口 
        mWindowManager.removeView(mlayout); 
      } 
    } catch (Exception e) { 
      Log.e(TAG, "not attached to window manager"); 
    } 
  } 
 
  @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP) 
  @Override 
  public boolean handleMessage(Message msg) { 
    switch (msg.what) { 
 
      case MSG_TYPE_COUNT_DOWN: { 
 
        mRecordSeconds++; 
        int minute = 0, second = 0; 
        if (mRecordSeconds >= 60) { 
          minute = mRecordSeconds / 60; 
          second = mRecordSeconds % 60; 
        } else { 
          second = mRecordSeconds; 
        } String timeTip = ""+minute+":"+second; 
        recordTime.setText(timeTip); 
      } 
        break; 
      } 
    } 
    return true; 
  } 
 
  /** 
   * 初始化windowManager 
   */ 
  private void initWindow() { 
    if (mWindowManager == null) { 
      mWindowManager = (WindowManager) getApplication().getSystemService(Context.WINDOW_SERVICE); 
    } 
    wmParams = getParams(wmParams);//设置好悬浮窗的参数 
    // 悬浮窗默认显示以左上角为起始坐标 
    wmParams.gravity = Gravity.LEFT | Gravity.TOP; 
    //悬浮窗的开始位置，因为设置的是从左上角开始，所以屏幕左上角是x=0;y=0 
    wmParams.x = 0; 
    wmParams.y = 0; 
    //得到容器，通过这个inflater来获得悬浮窗控件 
    if (inflater == null) { 
      inflater = LayoutInflater.from(getApplication()); 
    } 
    // 获取浮动窗口视图所在布局 
    if (mlayout == null) { 
      mlayout = (LinearLayout) inflater.inflate(R.layout.record_screen_time_float, null); 
    } 
    // 添加悬浮窗的视图 
    mWindowManager.addView(mlayout, wmParams); 
  } 
 
 
  /** 
   * 对windowManager进行设置 
   * 
   * @param wmParams 
   * @return 
   */ 
  public WindowManager.LayoutParams getParams(WindowManager.LayoutParams wmParams) { 
    if (wmParams == null) { 
      wmParams = new WindowManager.LayoutParams(); 
    } 
    //设置window type 下面变量2002是在屏幕区域显示，2003则可以显示在状态栏之上 
    //wmParams.type = LayoutParams.TYPE_PHONE; 
    //wmParams.type = LayoutParams.TYPE_SYSTEM_ALERT; 
    wmParams.type = LayoutParams.TYPE_SYSTEM_ERROR; 
    //设置图片格式，效果为背景透明 
    wmParams.format = PixelFormat.RGBA_8888; 
    //设置浮动窗口不可聚焦（实现操作除浮动窗口外的其他可见窗口的操作） 
    //wmParams.flags = LayoutParams.FLAG_NOT_FOCUSABLE; 
    //设置可以显示在状态栏上 
    wmParams.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL | 
        WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR | 
        WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH; 
    //设置悬浮窗口长宽数据 
    wmParams.width = WindowManager.LayoutParams.WRAP_CONTENT; 
    wmParams.height = WindowManager.LayoutParams.WRAP_CONTENT; 
    return wmParams; 
  } 
 
  /** 
   * 找到悬浮窗的图标，并且设置事件 
   * 设置悬浮窗的点击、滑动事件 
   */ 
  private void initFloating() { 
    recordTime = (TextView) mlayout.findViewById(R.id.record_time); 
    recordHintButton = (ImageView) mlayout.findViewById(R.id.record_hint_button); 
    setFlickerAnimation(recordHintButton); 
    stopRecord = (LinearLayout) mlayout.findViewById(R.id.stop_record); 
    mlayout.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 
        Log.d(TAG, "OnClickListener"); 
        ScreenUtil.stopScreenRecord(ScreenRecordService.this); 
      } 
    }); 
    if (mGestureDetector == null) { 
      mGestureDetector = new GestureDetector(this, new MyOnGestureListener()); 
    } 
    if(mFloatingListener == null){ 
      //设置监听器 
      mFloatingListener = new FloatingListener(); 
    } 
    mlayout.setOnTouchListener(mFloatingListener); 
    stopRecord.setOnTouchListener(mFloatingListener); 
  } 
/× 
 ×录屏状态显示（闪烁效果） 
 ×/ 
  private void setFlickerAnimation(ImageView iv_chat_head) { 
    final Animation animation = new AlphaAnimation(1, 0); // Change alpha from fully visible to invisible 
    animation.setDuration(500); // duration - half a second 
    animation.setInterpolator(new LinearInterpolator()); // do not alter animation rate 
    animation.setRepeatCount(Animation.INFINITE); // Repeat animation infinitely 
    animation.setRepeatMode(Animation.REVERSE); // 
    iv_chat_head.setAnimation(animation); 
  } 
 
 
  //开始触控的坐标，移动时的坐标（相对于屏幕左上角的坐标） 
  private int mTouchStartX, mTouchStartY, mTouchCurrentX, mTouchCurrentY; 
  //开始时的坐标和结束时的坐标（相对于自身控件的坐标） 
  private int mStartX, mStartY, mStopX, mStopY; 
  private boolean isMove;//判断悬浮窗是否移动 
 
 
  /** 
   * 悬浮窗监听器 
   */ 
  private class FloatingListener implements OnTouchListener { 
 
    @Override 
    public boolean onTouch(View arg0, MotionEvent event) { 
 
      int action = event.getAction(); 
      switch (action) { 
        case MotionEvent.ACTION_DOWN: 
          isMove = false; 
          mTouchStartX = (int) event.getRawX(); 
          mTouchStartY = (int) event.getRawY(); 
          mStartX = (int) event.getX(); 
          mStartY = (int) event.getY(); 
          break; 
        case MotionEvent.ACTION_MOVE: 
          mTouchCurrentX = (int) event.getRawX(); 
          mTouchCurrentY = (int) event.getRawY(); 
          wmParams.x += mTouchCurrentX - mTouchStartX; 
          wmParams.y += mTouchCurrentY - mTouchStartY; 
          if (mlayout != null) { 
            mWindowManager.updateViewLayout(mlayout, wmParams); 
          } 
          mTouchStartX = mTouchCurrentX; 
          mTouchStartY = mTouchCurrentY; 
          break; 
        case MotionEvent.ACTION_UP: 
          mStopX = (int) event.getX(); 
          mStopY = (int) event.getY(); 
          if (Math.abs(mStartX - mStopX) >= 1 || Math.abs(mStartY - mStopY) >= 1) { 
            isMove = true; 
          } 
          break; 
      } 
      return mGestureDetector.onTouchEvent(event); //此处必须返回false，否则OnClickListener获取不到监听 
    } 
  } 
 
  /** 
   * 自定义的手势监听类 
   */ 
  class MyOnGestureListener extends SimpleOnGestureListener { 
    @Override 
    public boolean onSingleTapConfirmed(MotionEvent e) { 
      if (!isMove) { 
        System.out.println("onclick"); 
      } 
      return super.onSingleTapConfirmed(e); 
    } 
  } 
 
}