Java Code Examples for android.view.WindowManager#removeView()

/**
 * Show the view in front of screen at position x,y until call close()
 * @param x the position x of view
 * @param y the position y of view
 */
public void show(int x, int y) {
    mParams.x = x;
    mParams.y = y;
    if (mView != mNextView) {
        // remove the old view if necessary
        close();
        mView = mNextView;
        Context context = mView.getContext().getApplicationContext();
        if (context == null) {
            context = mView.getContext();
        }
        mWM = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
        if (mView.getParent() != null) {
            mWM.removeView(mView);
        }
        mWM.addView(mView, mParams);
    }
}
 

/**
     * Show the view in front of screen at last position until call close()
     * If the first show, it will show in center of screen.
     * You also can call show(x, y) to specific position.
     */
    public void show() {
        if (mView != mNextView) {
            // remove the old view if necessary
            close();
            mView = mNextView;
            Context context = mView.getContext().getApplicationContext();
            if (context == null) {
                context = mView.getContext();
            }
            mWM = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
            if (mView.getParent() != null) {
                mWM.removeView(mView);
            }
            // get device width and height
            Point point = new Point();
            mWM.getDefaultDisplay().getSize(point);
            // get config x,y
            mParams.x = ConfigUtils.getInt(context, Constant.KEY_FLOAT_TOAST_X, (point.x - mView.getWidth()) / 2);
            mParams.y = ConfigUtils.getInt(context, Constant.KEY_FLOAT_TOAST_Y, (point.y - mView.getHeight()) / 2);
//            System.out.println("config (x, y) = " + mParams.x + "," + mParams.y);

            mWM.addView(mView, mParams);
        }
    }
 

@Override
public void remove() {
    if (DEBUG_SPLASH_SCREEN) Slog.v(TAG, "Removing splash screen window for " + mAppToken + ": "
                    + this + " Callers=" + Debug.getCallers(4));

    final WindowManager wm = mView.getContext().getSystemService(WindowManager.class);
    wm.removeView(mView);
}
 

public void removeFloatingWindow(Context context) {
    if (mFloatingView != null) {
        WindowManager windowManager = getWindowManager(context);
        windowManager.removeView(mFloatingView);
        mFloatingView.removeFloatingWindow(FloatingPlayer.getInstance().getKSYTextureView());
        mFloatingView = null;
    }
}
 

public void hide() {
    if(!mShown)
        return;
    mShown = false;
    mService.unregisterObserver(mObserver);
    mOverlayList.setAdapter(null);
    try {
        WindowManager windowManager = (WindowManager) mService.getSystemService(Context.WINDOW_SERVICE);
        windowManager.removeView(mOverlayView);
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
    }
}
 

public void detachFromWindow(WindowManager windowManager) {
    if (!isAdded) return;
    isAdded = false;
    removeOnLayoutChangeListener(layoutChangeListener);
    if (getContext() instanceof Activity) {
        windowManager.removeViewImmediate(this);
    } else {
        windowManager.removeView(this);
    }
}
 

public void detachFromWindow(WindowManager windowManager) {
    this.windowManager = null;
    if (isAdded) {
        removeSleepRunnable();
        if (getContext() instanceof Activity) {
            windowManager.removeViewImmediate(this);
        } else {
            windowManager.removeView(this);
        }
        isAdded = false;
        sleep = false;
    }
}
 

public void removeFloatingWindow(Context context) {
    if (mFloatingView != null) {
        WindowManager windowManager = getWindowManager(context);
        windowManager.removeView(mFloatingView);
        mFloatingView = null;
    }
}
 

private void stopDragging() {
    if (mDragView != null) {
        mDragView.setVisibility(GONE);
        WindowManager wm = (WindowManager) getContext().getSystemService("window");
        wm.removeView(mDragView);
        mDragView.setImageDrawable(null);
        mDragView = null;
    }
    if (mDragBitmap != null) {
        mDragBitmap.recycle();
        mDragBitmap = null;
    }
}
 

private void stopDrag(int itemIndex) {
	if (mDragView != null) {
		if (mDragListener != null)
			mDragListener.onStopDrag(getChildAt(itemIndex));
		mDragView.setVisibility(GONE);
		WindowManager wm = (WindowManager) getContext().getSystemService(
				Context.WINDOW_SERVICE);
		wm.removeView(mDragView);
		mDragView.setImageDrawable(null);
		mDragView = null;
	}
}
 

public void removeFloatingWindow(Context context) {
    if (mFloatingView != null) {
        WindowManager windowManager = getWindowManager(context);
        windowManager.removeView(mFloatingView);
        mFloatingView.removeFloatingWindow(FloatingPlayer.getInstance().getKSYTextureView());
        mFloatingView = null;
    }
}
 

@Override
public void onDestroy() {
    super.onDestroy();
    if (mTextView != null) {
        WindowManager wm = (WindowManager) getSystemService(WINDOW_SERVICE);
        wm.removeView(mTextView);
    }
}
 

/**
 * 将小悬浮窗从屏幕上移除
 * 
 * @param context
 */
public void removeSmallWindow() {
	if (smallWindow != null) {
		WindowManager windowManager = getWindowManager();
		windowManager.removeView(smallWindow);
		smallWindow = null;
	}
}
 

@MainThread public void show() {
  assertMainThread();
  View view = toast.getView();
  if (view == null) {
    throw new IllegalStateException("Can't show a Toast with no View.");
  }

  Context context = toast.getView().getContext();

  WindowManager windowManager = (WindowManager) context.getSystemService(WINDOW_SERVICE);

  // We can resolve the Gravity here by using the Locale for getting
  // the layout direction
  Configuration config = view.getContext().getResources().getConfiguration();
  int gravity = toast.getGravity();
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
    gravity = Gravity.getAbsoluteGravity(gravity, config.getLayoutDirection());
  }
  params.gravity = gravity;
  if ((gravity & Gravity.HORIZONTAL_GRAVITY_MASK) == Gravity.FILL_HORIZONTAL) {
    params.horizontalWeight = 1.0f;
  }
  if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.FILL_VERTICAL) {
    params.verticalWeight = 1.0f;
  }
  params.x = toast.getXOffset();
  params.y = toast.getYOffset();
  params.verticalMargin = toast.getVerticalMargin();
  params.horizontalMargin = toast.getHorizontalMargin();
  params.packageName = context.getPackageName();
  if (view.getParent() != null) {
    windowManager.removeView(view);
  }
  windowManager.addView(view, params);
  trySendAccessibilityEvent(view);
}
 

private void createFloatBarView() {
    displayHeight = getResources().getDisplayMetrics().heightPixels;
    displayWidth = getResources().getDisplayMetrics().widthPixels;
    defaultX = displayWidth * 0.9f;
    defaultY = displayHeight / 2;

    thresholdX = (int)(getResources().getDisplayMetrics().widthPixels * 0.1f);
    thresholdY = (int)(getResources().getDisplayMetrics().heightPixels * 0.1f);

    wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
    params = new WindowManager.LayoutParams();
    if(Build.VERSION.SDK_INT>=26){
        params.type = WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
    }else{
        params.type = WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;
    }
    params.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
    params.gravity = Gravity.LEFT | Gravity.TOP;
    params.x = (int) (displayHeight * 0.9f);
    params.y = displayWidth / 2;
    params.width = WindowManager.LayoutParams.WRAP_CONTENT;
    params.height = WindowManager.LayoutParams.WRAP_CONTENT;
    params.format = PixelFormat.RGBA_8888;
    //for get showmenuview width & height
    wm.addView(showMenuView, params);
    wm.removeView(showMenuView);

    wm.addView(hideMenuView, params);


}
 

public static void removeView(View view, WindowManager manager) {

        try {
            manager.removeView(view);
        } catch (Exception e) {
            VenvyLog.e(TAG, e);
        }
    }
 

public static void removeViewFromWindow(View v) {
    try {
        WindowManager windowManager = (WindowManager) Utils.getContext().getSystemService(Context.WINDOW_SERVICE);
        windowManager.removeView(v);
    } catch (Throwable t){
        t.printStackTrace();
    }
}
 

protected void removeSuperToast(SuperToast superToast) {

        final WindowManager windowManager = superToast
                .getWindowManager();

        final View toastView = superToast.getView();

        if (windowManager != null) {

            mQueue.poll();

            windowManager.removeView(toastView);

            sendMessageDelayed(superToast,
                    Messages.DISPLAY_SUPERTOAST, 500);

            if(superToast.getOnDismissListener() != null) {

                superToast.getOnDismissListener().onDismiss(superToast.getView());

            }

        }

    }
 

public void handleShow() {
	if (mView != mNextView) {
		// remove the old view if necessary
		mView = mNextView;
		Context context = mView.getContext().getApplicationContext();
		String packageName = mView.getContext().getOpPackageName();
		System.out.println("pkg:" + packageName);
		if (context == null) {
			context = mView.getContext();
		}
		mWM = (WindowManager) context
				.getSystemService(Context.WINDOW_SERVICE);
		// We can resolve the Gravity here by using the Locale for
		// getting
		// the layout direction
		final Configuration config = mView.getContext().getResources()
				.getConfiguration();
		final int gravity = Gravity.getAbsoluteGravity(mGravity,
				config.getLayoutDirection());
		mParams.gravity = gravity;
		if ((gravity & Gravity.HORIZONTAL_GRAVITY_MASK) == Gravity.FILL_HORIZONTAL) {
			mParams.horizontalWeight = 1.0f;
		}
		if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.FILL_VERTICAL) {
			mParams.verticalWeight = 1.0f;
		}
		mParams.x = mX;
		mParams.y = mY;
		mParams.verticalMargin = mVerticalMargin;
		mParams.horizontalMargin = mHorizontalMargin;
		mParams.packageName = packageName;
		if (mView.getParent() != null) {
			mWM.removeView(mView);
		}
		System.out.println("add view start");
		try {
			mWM.addView(mView, mParams);
		} catch (Exception e) {
			e.printStackTrace();
		}
		System.out.println("add view end");
		trySendAccessibilityEvent();
	}
}
 

public void handleShow(IBinder windowToken) {
    if (localLOGV) Log.v(TAG, "HANDLE SHOW: " + this + " mView=" + mView
            + " mNextView=" + mNextView);
    // If a cancel/hide is pending - no need to show - at this point
    // the window token is already invalid and no need to do any work.
    if (mHandler.hasMessages(CANCEL) || mHandler.hasMessages(HIDE)) {
        return;
    }
    if (mView != mNextView) {
        // remove the old view if necessary
        handleHide();
        mView = mNextView;
        Context context = mView.getContext().getApplicationContext();
        String packageName = mView.getContext().getOpPackageName();
        if (context == null) {
            context = mView.getContext();
        }
        mWM = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
        // We can resolve the Gravity here by using the Locale for getting
        // the layout direction
        final Configuration config = mView.getContext().getResources().getConfiguration();
        final int gravity = Gravity.getAbsoluteGravity(mGravity, config.getLayoutDirection());
        mParams.gravity = gravity;
        if ((gravity & Gravity.HORIZONTAL_GRAVITY_MASK) == Gravity.FILL_HORIZONTAL) {
            mParams.horizontalWeight = 1.0f;
        }
        if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.FILL_VERTICAL) {
            mParams.verticalWeight = 1.0f;
        }
        mParams.x = mX;
        mParams.y = mY;
        mParams.verticalMargin = mVerticalMargin;
        mParams.horizontalMargin = mHorizontalMargin;
        mParams.packageName = packageName;
        mParams.hideTimeoutMilliseconds = mDuration ==
            Toast.LENGTH_LONG ? LONG_DURATION_TIMEOUT : SHORT_DURATION_TIMEOUT;
        mParams.token = windowToken;
        if (mView.getParent() != null) {
            if (localLOGV) Log.v(TAG, "REMOVE! " + mView + " in " + this);
            mWM.removeView(mView);
        }
        if (localLOGV) Log.v(TAG, "ADD! " + mView + " in " + this);
        // Since the notification manager service cancels the token right
        // after it notifies us to cancel the toast there is an inherent
        // race and we may attempt to add a window after the token has been
        // invalidated. Let us hedge against that.
        try {
            mWM.addView(mView, mParams);
            trySendAccessibilityEvent();
        } catch (WindowManager.BadTokenException e) {
            /* ignore */
        }
    }
}