windowmanger addview 权限问题
要先获取权限，
package com.hrg.gys.rebot.service;
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.graphics.PixelFormat;
import android.net.Uri;
import android.os.Build;
import android.os.IBinder;
import android.provider.Settings;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;
import androidx.annotation.Nullable;
import com.hrg.hefei.R;
import com.xin.common.utils.LogUtils;
public class BaseMoveWindowService extends Service {
private View rootView;
private WindowManager windowManager;
@Override
public void onCreate() {
super.onCreate();
windowManager = (WindowManager) this.getSystemService(Context.WINDOW_SERVICE);
addView();
}
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
return super.onStartCommand(intent, flags, startId);
}
/**
* 是否已获得权限
* @param context
* @return
*/
public static boolean canDrawOverlays(Context context) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
return true;
} else {
return Settings.canDrawOverlays(context);
}
}
/**
* 获得权限
* @param activity
* @param requestCode
*/
public static void requestOVERLAYPermission(Activity activity, int requestCode) {
Intent intent = new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION);
intent.setData(Uri.parse("package:" + activity.getPackageName()));
activity.startActivityForResult(intent, requestCode);
}
public void addView() {
try {
rootView = LayoutInflater.from(this).inflate(R.layout.service_move_view, null);
WindowManager.LayoutParams params = new WindowManager.LayoutParams();
int flag = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH |
WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS;
params.type = WindowManager.LayoutParams.TYPE_PHONE;
params.flags = flag;
params.format = PixelFormat.RGBA_8888; /*透明背景,否则会黑色*/
params.width = WindowManager.LayoutParams.WRAP_CONTENT;
params.height = WindowManager.LayoutParams.WRAP_CONTENT;
params.gravity = Gravity.LEFT | Gravity.TOP;
windowManager.addView(rootView, params);
} catch (Exception e) {
e.printStackTrace();
}
}
private void log(String s) {
LogUtils.log("BaseMoveWindowService", s);
}
@Override
public void onDestroy() {
super.onDestroy();
try {
windowManager.removeView(rootView);
} catch (Exception e) {
e.printStackTrace();
}
}
}
可拖动组件
package com.xin.view;
import android.animation.ValueAnimator;
import android.content.Context;
import android.graphics.Rect;
import android.os.Handler;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
import android.view.animation.LinearInterpolator;
import android.widget.LinearLayout;
import androidx.annotation.Nullable;
import com.xin.common.utils.LogUtils;
/**
* 作为添加到WindowManager的根布局
*/
public class AttachLayoutWindow extends LinearLayout {
public static final int DELAY_MILLIS_GO_EDGE = 3000;
private final String TAG = "AttachButton";
protected float mLastRawX;
protected float mLastRawY;
protected boolean isDrug = false;
protected int mRootMeasuredWidth = 0;
protected int mRootMeasuredHeight = 0;
protected int mRootTopY = 0;
protected int customAttachDirect; /*-1不吸附 0所有的边 1左 2上 3右 4下 5左右 6上下 */
protected boolean customIsDrag;
protected boolean touchIsTargetView = true;
protected View targetView;
private WindowManager windowManager;
private Handler handler;
private GoEdgeRunnable goEdge;
public AttachLayoutWindow(Context context) {
this(context, null, 0);
}
public AttachLayoutWindow(Context context, @Nullable AttributeSet attrs) {
this(context, attrs, 0);
}
public AttachLayoutWindow(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
initView();
}
private void initView() {
windowManager = (WindowManager) this.getContext().getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
int statusBarHeight = getStatusBarHeight();
mRootMeasuredHeight = displayMetrics.heightPixels - statusBarHeight;
mRootMeasuredWidth = displayMetrics.widthPixels;
mRootTopY = statusBarHeight;
customAttachDirect = 5;
customIsDrag = true;
handler = new android.os.Handler();
goEdge = new GoEdgeRunnable();
}
private int getStatusBarHeight() {
int statusBarHeight = (int) Math.ceil(25 * getResources().getDisplayMetrics().density);
return statusBarHeight;
}
private void log(String s) {
LogUtils.log("AttachLayoutWindow", s);
}
protected void doTouch(MotionEvent ev) {
log("-----------------------------------");
log("doTouch() called with: ev = [" + ev + "]");
if (customIsDrag) {
//当前手指的坐标
float mRawX = ev.getRawX();
float mRawY = ev.getRawY();
switch (ev.getAction()) {
case MotionEvent.ACTION_DOWN://手指按下
handler.removeCallbacks(goEdge);
isDrug = false;
//记录按下的位置
mLastRawX = mRawX;
mLastRawY = mRawY;
break;
case MotionEvent.ACTION_MOVE://手指滑动
if (mRawX >= 0 && mRawX <= mRootMeasuredWidth && mRawY >= mRootTopY && mRawY <= (mRootMeasuredHeight + mRootTopY)) {
//手指X轴滑动距离
float differenceValueX = mRawX - mLastRawX;
//手指Y轴滑动距离
float differenceValueY = mRawY - mLastRawY;
log("doTouch() move called with: differenceValueX = [" + differenceValueX + "]");
log("doTouch() move called with: differenceValueY = [" + differenceValueY + "]");
//判断是否为拖动操作
if (!isDrug) {
if (Math.sqrt(differenceValueX * differenceValueX + differenceValueY * differenceValueY) < 2) {
isDrug = false;
} else {
isDrug = true;
}
}
WindowManager.LayoutParams layoutParams = (WindowManager.LayoutParams) getLayoutParams();
//获取手指按下的距离与控件本身X轴的距离
float ownX = layoutParams.x;
//获取手指按下的距离与控件本身Y轴的距离
float ownY = layoutParams.y;
log("doTouch() move called with: ownX = [" + ownX + "]");
log("doTouch() move called with: ownY = [" + ownY + "]");
//理论中X轴拖动的距离
float endX = ownX + differenceValueX;
//理论中Y轴拖动的距离
float endY = ownY + differenceValueY;
log("doTouch() move called with: endX = [" + endX + "]");
log("doTouch() move called with: endX = [" + endX + "]");
log("doTouch() move called with: getWidth() = [" + getWidth() + "]");
log("doTouch() move called with: getHeight() = [" + getHeight() + "]");
//X轴可以拖动的最大距离
float maxX = mRootMeasuredWidth - getWidth();
//Y轴可以拖动的最大距离
float maxY = mRootMeasuredHeight - getHeight();
log("doTouch() move called with: maxX = [" + maxX + "]");
log("doTouch() move called with: maxY = [" + maxY + "]");
//X轴边界限制
endX = endX < 0 ? 0 : endX > maxX ? maxX : endX;
//Y轴边界限制
endY = endY < 0 ? 0 : endY > maxY ? maxY : endY;
//开始移动
layoutParams.x = (int) endX;
layoutParams.y = (int) endY;
windowManager.updateViewLayout(this, layoutParams);
//记录位置
mLastRawX = mRawX;
mLastRawY = mRawY;
}
break;
case MotionEvent.ACTION_UP://手指离开
handler.postDelayed(goEdge, DELAY_MILLIS_GO_EDGE);
//根据自定义属性判断是否需要贴边
if (customAttachDirect >= 0 && isDrug && false) {
float[] edgePosition = getEdgePosition();
goEdge(edgePosition);
}
break;
}
}
}
/**
* @param attachDirect 0所有的边 1左 2上 3右 4下 5左右 6上下
*/
public void setCustomAttachDirect(int attachDirect) {
this.customAttachDirect = customAttachDirect;
}
/**
* 返回最终的边距值
*
* @return
*/
private float[] getEdgePosition() {
//判断是否为点击事件 0所有的边 1左 2上 3右 4下 5左右 6上下
float centerX = mRootMeasuredWidth / 2;
float centerY = mRootMeasuredHeight / 2;
WindowManager.LayoutParams layoutParams_up = (WindowManager.LayoutParams) getLayoutParams();
int startX = layoutParams_up.x;
int startY = layoutParams_up.y;
float x = -1, y = -1;
if (customAttachDirect == 1) { /*左*/
x = 0;
y = -1;
} else if (customAttachDirect == 2) { /*上*/
x = -1;
y = 0;
} else if (customAttachDirect == 3) { /*右*/
x = mRootMeasuredWidth - getWidth();
y = -1;
} else if (customAttachDirect == 4) {
x = -1;
y = mRootMeasuredWidth - getHeight();
} else if (customAttachDirect == 5) { /*左右*/
x = startX <= centerX ? 0 : (mRootMeasuredWidth - getWidth());
y = startY;
} else if (customAttachDirect == 6) { /*上下*/
x = startX;
y = startY <= centerY ? 0 : (mRootMeasuredHeight - getHeight());
} else if (customAttachDirect == 0) { /*距那个边近去那个*/
// TODO: 2020/5/28 0028
}
return new float[]{x, y};
}
private void goEdge(float[] edgePosition) {
if (edgePosition == null && edgePosition.length < 2) {
return;
}
final float endX_ = edgePosition[0];
final float endY_ = edgePosition[1];
WindowManager.LayoutParams layoutParams_up = (WindowManager.LayoutParams) getLayoutParams();
int startX = layoutParams_up.x, startY = layoutParams_up.y;
ValueAnimator valueAnimator = ValueAnimator.ofFloat(0, 1);
valueAnimator.setDuration(1000);
valueAnimator.setInterpolator(new LinearInterpolator());
valueAnimator.addUpdateListener(animation -> {
float value = (float) animation.getAnimatedValue();
/*1->0*/
float _x = (endX_ - startX) * value + startX;
float _y = (endY_ - startY) * value + startY;
layoutParams_up.x = (int) _x;
layoutParams_up.y = (int) _y;
windowManager.updateViewLayout(this, layoutParams_up);
});
valueAnimator.start();
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
log("onAttachedToWindow() called");
/*右上角*/
WindowManager.LayoutParams layoutParams_up = (WindowManager.LayoutParams) getLayoutParams();
if (layoutParams_up != null) {
if (getMeasuredWidth() == 0) {
measure(0, 0);
}
layoutParams_up.x = mRootMeasuredWidth - getMeasuredWidth();
layoutParams_up.y = (int) (30 * getResources().getDisplayMetrics().density);
windowManager.updateViewLayout(this, layoutParams_up);
}
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
log("onFinishInflate() called");
/*(WindowManager.LayoutParams) getLayoutParams() 此时获取到的是 null*/
}
@Override
public boolean dispatchTouchEvent(MotionEvent event) {
log("dispatchTouchEvent() called with: event = [" + event + "]");
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
touchIsTargetView = true;
}
if (targetView != null) {
// /*判断是否有目标view,若有不在目标view内不执行*/
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN://手指按下
Rect rect = new Rect();
targetView.getHitRect(rect);
if (!rect.contains((int) event.getX(), (int) event.getY())) {
touchIsTargetView = false;
}
}
}
if (touchIsTargetView) {
doTouch(event);
}
return super.dispatchTouchEvent(event);
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
log("onTouchEvent() called with: ev = [" + ev + "]");
//判断是否需要滑动
// doTouch(ev); /*不能放在这，放在这子view收不到事件了*/
//是否拦截事件
if (isDrug) {
return true;
}
return super.onTouchEvent(ev);
}
/**
* 自动贴边
*/
private class GoEdgeRunnable implements Runnable {
@Override
public void run() {
float[] edgePosition = getEdgePosition();
goEdge(edgePosition);
}
}
}
