Android 如何让浮动图标拦截触摸事件?
我希望每个应用程序或活动上都有一个浮动图标。这个代码工作正常,但是整个屏幕都检测到了触摸,我只想让浮动图标拦截点击,而不是整个屏幕,那么我该怎么做呢Android 如何让浮动图标拦截触摸事件?,android,canvas,Android,Canvas,我希望每个应用程序或活动上都有一个浮动图标。这个代码工作正常,但是整个屏幕都检测到了触摸,我只想让浮动图标拦截点击,而不是整个屏幕,那么我该怎么做呢 public class FloatingButtonService extends Service { HUDView mView; @Override public void onCreate() { super.onCreate(); Toast.makeText(getBaseContext(), "floating b
public class FloatingButtonService extends Service {
HUDView mView;
@Override
public void onCreate() {
super.onCreate();
Toast.makeText(getBaseContext(), "floating button created",
Toast.LENGTH_SHORT).show();
final Bitmap kangoo = BitmapFactory.decodeResource(getResources(),
R.drawable.ic_launcher);
WindowManager.LayoutParams params = new WindowManager.LayoutParams(
kangoo.getWidth(), kangoo.getHeight(),
WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
| WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
| WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH,
PixelFormat.TRANSLUCENT);
params.gravity = Gravity.LEFT | Gravity.BOTTOM;
params.setTitle("Load Average");
WindowManager wm = (WindowManager) getSystemService(WINDOW_SERVICE);
mView = new HUDView(this, kangoo);
mView.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View arg0, MotionEvent arg1) {
// TODO Auto-generated method stub
// Log.e("kordinatlar",
// arg1.getX()+":"+arg1.getY()+":"+display.getHeight()+":"+kangoo.getHeight());
if (arg1.getX() < kangoo.getWidth() & arg1.getY() > 0) {
Log.d("tıklandı", "touch me");
}
return false;
}
});
wm.addView(mView, params);
}
@Override
public IBinder onBind(Intent arg0) {
// TODO Auto-generated method stub
return null;
}
}
@SuppressLint("DrawAllocation")
class HUDView extends ViewGroup {
Bitmap kangoo;
public HUDView(Context context, Bitmap kangoo) {
super(context);
this.kangoo = kangoo;
}
protected void onDraw(Canvas canvas) {
// super.onDraw(canvas);
// delete below line if you want transparent back color, but to
// understand the sizes use back color
canvas.drawColor(Color.BLACK);
canvas.drawBitmap(kangoo, 0, 0, null);
// canvas.drawText("Hello World", 5, 15, mLoadPaint);
}
protected void onLayout(boolean arg0, int arg1, int arg2, int arg3, int arg4) {
}
public boolean onTouchEvent(MotionEvent event) {
Toast.makeText(getContext(), "touch detected!", Toast.LENGTH_SHORT).show();
// return super.onTouchEvent(event);
// Toast.makeText(getContext(),"onTouchEvent",
// Toast.LENGTH_LONG).show();
return true;
}
公共类浮动按钮服务扩展服务{
HUDView;
@凌驾
public void onCreate(){
super.onCreate();
Toast.makeText(getBaseContext(),“创建浮动按钮”,
吐司。长度(短)。show();
最终位图kangoo=BitmapFactory.decodeResource(getResources(),
R.可牵引ic_发射器);
WindowManager.LayoutParams params=新建WindowManager.LayoutParams(
kangoo.getWidth(),kangoo.getHeight(),
WindowManager.LayoutParams.TYPE\系统\警报,
WindowManager.LayoutParams.FLAG\u不可聚焦
|WindowManager.LayoutParams.FLAG_NOT_TOUCH_model
|WindowManager.LayoutParams.FLAG\u WATCH\u Out\u TOUCH,
像素格式(半透明);
params.gravity=gravity.LEFT | gravity.BOTTOM;
参数setTitle(“负荷平均值”);
WindowManager wm=(WindowManager)getSystemService(窗口服务);
mView=新的HUDView(这个,kangoo);
mView.setOnTouchListener(新的OnTouchListener(){
@凌驾
公共布尔onTouch(视图arg0、运动事件arg1){
//TODO自动生成的方法存根
//Log.e(“kordinatlar”,
//arg1.getX()+”:“+arg1.getY()+”:“+display.getHeight()+”:“+kangoo.getHeight());
if(arg1.getX()0){
Log.d(“tıklandı”,“触摸我”);
}
返回false;
}
});
wm.addView(mView,params);
}
@凌驾
公共IBinder onBind(意图arg0){
//TODO自动生成的方法存根
返回null;
}
}
@SuppressLint(“DrawAllocation”)
类HUDView扩展了视图组{
卡古;
公共HUD视图(上下文,位图){
超级(上下文);
this.kangoo=kangoo;
}
受保护的void onDraw(画布){
//super.onDraw(帆布);
//如果您想要透明的背景色,请删除下面的行,但要
//了解使用背色的尺寸
画布。drawColor(颜色。黑色);
drawBitmap(kangoo,0,0,null);
//画布.drawText(“Hello World”,5,15,mLoadPaint);
}
仅限受保护的void布局(布尔值arg0、int arg1、int arg2、int arg3、int arg4){
}
公共布尔onTouchEvent(运动事件){
Toast.makeText(getContext(),“touch detected!”,Toast.LENGTH_SHORT.show();
//返回super.onTouchEvent(事件);
//Toast.makeText(getContext(),“onTouchEvent”,
//Toast.LENGTH_LONG).show();
返回true;
}
}尝试在onTouch事件中返回“true”。这会告诉底层视图事件已经被捕获(不要传播)。有没有代码片段?thanksat是您提供的唯一onTouch函数,将“return false”更改为“return true”。感谢它现在只适用于图标,但是它会被多次调用。我可以只指定一次触摸事件吗?哪一个是点击?您应该检查MotionEvent类型,并相应地采取行动!尝试在onTouch事件中返回“true”。这会告诉底层视图事件已经被捕获(不要传播)。有没有代码片段?thanksat是您提供的唯一onTouch函数,将“return false”更改为“return true”。感谢它现在只适用于图标,但是它会被多次调用。我可以只指定一次触摸事件吗?哪一个是点击?您应该检查MotionEvent类型,并相应地采取行动!