Java Code Examples for android.view.WindowManager#LayoutParams

public WindowManager.LayoutParams creatParams(int type, FloatParams floatParams) {
    //系统浮窗不能超出边界,更新xy
    int ww = (w - floatParams.w) / 2;
    int hh = (h - floatParams.h) / 2;
    if (Math.abs(floatParams.x) > ww)
        floatParams.x = floatParams.x > 0 ? ww : -ww;
    if (Math.abs(floatParams.y) > hh)
        floatParams.y = floatParams.y > 0 ? hh : -hh;

    LayoutParams smallWindowParams = new LayoutParams();
    smallWindowParams.type = type;
    smallWindowParams.format = PixelFormat.RGBA_8888;
    smallWindowParams.flags = LayoutParams.FLAG_NOT_TOUCH_MODAL
            | LayoutParams.FLAG_NOT_FOCUSABLE;
    //smallWindowParams.gravity = Gravity.LEFT | Gravity.TOP;
    smallWindowParams.width = floatParams.w;
    smallWindowParams.height = floatParams.h;
    smallWindowParams.x = floatParams.x;
    smallWindowParams.y = floatParams.y;
    return smallWindowParams;
}
 

public UserSwitchingDialog(ActivityManagerService service, Context context, UserInfo oldUser,
        UserInfo newUser, boolean aboveSystem, String switchingFromSystemUserMessage,
        String switchingToSystemUserMessage) {
    super(context);

    mContext = context;
    mService = service;
    mUserId = newUser.id;
    mOldUser = oldUser;
    mNewUser = newUser;
    mSwitchingFromSystemUserMessage = switchingFromSystemUserMessage;
    mSwitchingToSystemUserMessage = switchingToSystemUserMessage;

    inflateContent();

    if (aboveSystem) {
        getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ERROR);
    }

    WindowManager.LayoutParams attrs = getWindow().getAttributes();
    attrs.privateFlags = WindowManager.LayoutParams.PRIVATE_FLAG_SYSTEM_ERROR |
        WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
    getWindow().setAttributes(attrs);
}
 

public PopupMenuDialog builder() {
    View view = LayoutInflater.from(context).inflate(
            R.layout.layout_popup_menu_dialog, null);

    view.setMinimumWidth(display.getWidth());

    dialog = new Dialog(context, R.style.PopupMenuDialogStyle);
    dialog.setContentView(view);
    mUnbinder = ButterKnife.bind(this, dialog);
    dialog.setOnDismissListener(this::onDialogDismiss);

    Window dialogWindow = dialog.getWindow();
    dialogWindow.setGravity(Gravity.LEFT | Gravity.BOTTOM);
    WindowManager.LayoutParams lp = dialogWindow.getAttributes();
    lp.x = 0;
    lp.y = 0;
    dialogWindow.setAttributes(lp);

    return this;
}
 

/**
 * Displays the content view in a popup window anchored to the corner of
 * another view. The window is positioned according to the specified
 * gravity and offset by the specified x and y coordinates.
 * <p>
 * If there is not enough room on screen to show the popup in its entirety,
 * this method tries to find a parent scroll view to scroll. If no parent
 * view can be scrolled, the specified vertical gravity will be ignored and
 * the popup will anchor itself such that it is visible.
 * <p>
 * If the view later scrolls to move <code>anchor</code> to a different
 * location, the popup will be moved correspondingly.
 *
 * @param anchor the view on which to pin the popup window
 * @param xoff A horizontal offset from the anchor in pixels
 * @param yoff A vertical offset from the anchor in pixels
 * @param gravity Alignment of the popup relative to the anchor
 *
 * @see #dismiss()
 */
public void showAsDropDown(View anchor, int xoff, int yoff, int gravity) {
    if (isShowing() || !hasContentView()) {
        return;
    }

    TransitionManager.endTransitions(mDecorView);

    attachToAnchor(anchor, xoff, yoff, gravity);

    mIsShowing = true;
    mIsDropdown = true;

    final WindowManager.LayoutParams p =
            createPopupLayoutParams(anchor.getApplicationWindowToken());
    preparePopup(p);

    final boolean aboveAnchor = findDropDownPosition(anchor, p, xoff, yoff,
            p.width, p.height, gravity, mAllowScrollingAnchorParent);
    updateAboveAnchor(aboveAnchor);
    p.accessibilityIdOfAnchor = (anchor != null) ? anchor.getAccessibilityViewId() : -1;

    invokePopup(p);
}
 

/**
 * @param lightness 0 - 200
 */
private void setScreenLightness(boolean enable, int lightness) {
    if (null == mMaskView) {
        return;
    }

    Window w = getWindow();
    WindowManager.LayoutParams lp = w.getAttributes();
    if (enable) {
        lightness = MathUtils.clamp(lightness, 0, 200);
        if (lightness > 100) {
            mMaskView.setColor(0);
            // Avoid BRIGHTNESS_OVERRIDE_OFF,
            // screen may be off when lp.screenBrightness is 0.0f
            lp.screenBrightness = Math.max((lightness - 100) / 100.0f, 0.01f);
        } else {
            mMaskView.setColor(MathUtils.lerp(0xde, 0x00, lightness / 100.0f) << 24);
            lp.screenBrightness = 0.01f;
        }
    } else {
        mMaskView.setColor(0);
        lp.screenBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
    }
    w.setAttributes(lp);
}
 

/**
 * 显示小悬浮窗
 */
public void showSmallFloatWin() {
    if (DEBUG) {
        LogX.d(TAG, SUB_TAG, "showSmallFloatWin：创建悬浮窗口");
    }
    if (smallView == null) {
        smallView = new SmallFloatWindowView(Manager.getContext(), dm.density);
        smallParams = new WindowManager.LayoutParams(WindowManager.LayoutParams.WRAP_CONTENT,
                WindowManager.LayoutParams.WRAP_CONTENT,
                FloatWindowUtils.getType(),
                FLAG_NOT_FOCUSABLE | FLAG_ALT_FOCUSABLE_IM, PixelFormat.TRANSLUCENT);
        smallParams.gravity = Gravity.LEFT | Gravity.TOP;
        smallParams.x = (int) xPosition;
        smallParams.y = (int) (dm.heightPixels / 4 - yPosition);
        smallView.setWindowsParams(smallParams);
        smallView.setOnSmallCallback(this);
    }
    removeOldFloatWindow();
    getWindowManager().addView(smallView, smallParams);
    currentState = FloatWindowState.SMALL_WINDOW;
}
 

protected void updateHeaderViewPosition(View headerView) {
    // Refresh the Display Rect of the Decor View
    mActivity.getWindow().getDecorView().getWindowVisibleDisplayFrame(mRect);

    WindowManager.LayoutParams wlp = null;
    if (headerView.getLayoutParams() instanceof WindowManager.LayoutParams) {
        wlp = (WindowManager.LayoutParams) headerView.getLayoutParams();
    } else if (headerView.getTag() instanceof  WindowManager.LayoutParams) {
        wlp = (WindowManager.LayoutParams) headerView.getTag();
    }

    if (wlp != null && wlp.y != mRect.top) {
        wlp.y = mRect.top;
        mActivity.getWindowManager().updateViewLayout(headerView, wlp);
    }
}
 

/**
 * 设置窗口样式
 */
private void setWindow() {
    //窗口对齐屏幕宽度
    Window win = this.getWindow();
    win.getDecorView().setPadding(0, 0, 0, 0);
    WindowManager.LayoutParams lp = win.getAttributes();
    lp.width = WindowManager.LayoutParams.MATCH_PARENT;
    lp.height = WindowManager.LayoutParams.WRAP_CONTENT;
    lp.gravity = Gravity.BOTTOM;//设置对话框置顶显示
    win.setAttributes(lp);
}
 

protected void showStatusBar() {
    WindowManager.LayoutParams attrs = getWindow().getAttributes();
    attrs.flags &= ~WindowManager.LayoutParams.FLAG_FULLSCREEN;
    getWindow().setAttributes(attrs);
    if(statusBarView != null){
        statusBarView.setBackgroundColor(statusBarColor);
    }
}
 

public String printStatus ()
{
    WindowManager.LayoutParams layoutpars = MainActivity.mainActivity.getWindow().getAttributes();
    float brightness = Math.abs(layoutpars.screenBrightness);
    String result = String.format("%.1f%%", brightness * 100);
    return result;
}
 

/**
 * 设置状态栏颜色
 *
 * @param window
 * @param color
 */
private static void setStatusBarColor(Window window, int color) {
    WindowManager.LayoutParams winParams = window.getAttributes();
    if (mStatusBarColorFiled != null) {
        try {
            int oldColor = mStatusBarColorFiled.getInt(winParams);
            if (oldColor != color) {
                mStatusBarColorFiled.set(winParams, color);
                window.setAttributes(winParams);
            }
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
    }
}
 

private void full(boolean enable) {
    if (enable) {
        WindowManager.LayoutParams lp = getWindow().getAttributes();
        lp.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
        getWindow().setAttributes(lp);
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
    } else {
        WindowManager.LayoutParams attr = getWindow().getAttributes();
        attr.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
        getWindow().setAttributes(attr);
        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
    }
}
 

/*****************************************************
*		Overrided methods
******************************************************/
  @Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
       
  	//----- Set title
  	if(mDialogTitle != null) {
  		setTitle(mDialogTitle);
  	} else {
  		this.requestWindowFeature(Window.FEATURE_NO_TITLE);
  	}
      
      WindowManager.LayoutParams lpWindow = new WindowManager.LayoutParams();    
      lpWindow.flags = WindowManager.LayoutParams.FLAG_DIM_BEHIND;
      lpWindow.dimAmount = 0.8f;
      getWindow().setAttributes(lpWindow);

      setContentView(R.layout.dialog_filter_list);
      mClickListener = new OnClickListener(this);
      
      mBtnDisablePackage = (Button) findViewById(R.id.btn_disable_package);
      mBtnDisablePackage.setOnClickListener(mClickListener);
      mBtnEdit = (Button) findViewById(R.id.btn_edit);
      mBtnEdit.setOnClickListener(mClickListener);
      
      setContent();
  }
 

private boolean isReadyToRemove() {
    WindowManager.LayoutParams removeParams = (WindowManager.LayoutParams) removeWidgetView.getLayoutParams();
    removeBounds.set(removeParams.x, removeParams.y, removeParams.x + widgetHeight, removeParams.y + widgetHeight);
    WindowManager.LayoutParams params = (WindowManager.LayoutParams) playPauseButton.getLayoutParams();
    float cx = params.x + widgetHeight;
    float cy = params.y + widgetHeight;
    return removeBounds.contains(cx, cy);
}
 

@Override public WindowManager.LayoutParams getWindowLayoutParams() {
    WindowManager.LayoutParams WPARAMS = super.getWindowLayoutParams();
    WPARAMS.flags &= ~WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
    WPARAMS.flags &= ~WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR;
    WPARAMS.y = getResources().getDimensionPixelSize(R.dimen.volume_panel_top);
    return WPARAMS;
}
 

/**
 * Creates a {@link android.app.AlertDialog} with the arguments supplied
 * to this builder and {@link Dialog#show()}'s the dialog.
 */
public MLAlertDialog show() {
    MLAlertDialog dialog = create();
    dialog.show();
    WindowManager.LayoutParams lp = dialog.getWindow().getAttributes();
    lp.width = WindowManager.LayoutParams.FILL_PARENT;
    lp.height = WindowManager.LayoutParams.WRAP_CONTENT;
    dialog.getWindow().setAttributes(lp);
    return dialog;
}
 

@Override
protected void onCreate(Bundle savedInstanceState)
{
	super.onCreate(savedInstanceState);
	setContentView(R.layout.global_dialog_progress_loading);

	if (mAutoWidth)
	{
		setMinimumWidth(0);
	}
	
	mLoadingAnimation = AnimationUtils.loadAnimation(getContext(), R.anim.progress_dialog_loading);

	mImageView = (ImageView) findViewById(R.id.image);
	mTextView = (TextView) findViewById(R.id.text);
	// mTextView.setGravity(Gravity.LEFT);
	mTextView.setText("");

	Window dialogWindow = this.getWindow();
	WindowManager.LayoutParams lp = dialogWindow.getAttributes();
	// lp.x = 100; // 新位置X坐标
	// lp.y = 100; // 新位置Y坐标
	lp.width = WindowManager.LayoutParams.WRAP_CONTENT; // 宽度
	// lp.width = WindowManager.LayoutParams.MATCH_PARENT; // 宽度
	lp.height = ViewUtils.dip2px(getContext(), 80); // 高度
	lp.alpha = 1.0f; // 透明度

	// 当Window的Attributes改变时系统会调用此函数,可以直接调用以应用上面对窗口参数的更改,也可以用setAttributes
	// dialog.onWindowAttributesChanged(lp);
	dialogWindow.setAttributes(lp);
}
 

private void addOverlayView(OverlayView overlayView, WindowManager.LayoutParams layoutParams) {
    mWm.addView(overlayView, layoutParams);
}
 

public void show(){
    WindowManager.LayoutParams params = getWmParams();
    this.windowManager.addView(this, params);
    getContext().registerReceiver(dismissReceiver, new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS));
}
 

private void screenOff() {

        if (ActivityCallViewModel.isConnected) {

            WindowManager.LayoutParams params = this.getWindow().getAttributes();

            params.screenBrightness = 0;
            this.getWindow().setAttributes(params);

            enableDisableViewGroup((ViewGroup) activityCallBinding.acLayoutCallRoot, false);
        }
    }