通过包名启动应用，popupWindow等

来源：互联网发布：mac系统连接电视hdmi 编辑：程序博客网时间：2024/06/15 06:36

//通过包名启动应用

Intent intent = this.getPackageManager().getLaunchIntentForPackage("com.android.mms");startActivity(intent);

//popupWindwo的使用

        View contentView = inflater.inflate(R.layout.poput_item, null);//解析自定义的布局popupWindow = new PopupWindow(contentView, LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT, true);//设置外部可点击popupWindow.setOutsideTouchable(true);//设置背景popupWindow.setBackgroundDrawable(new BitmapDrawable());//设置动画popupWindow.setAnimationStyle(R.style.popupstyal);//显示在某个控件之下//popupWindow.showAsDropDown(mButton);//显示在界面某个位置popupWindow.showAtLocation(contentView, Gravity.LEFT|Gravity.CENTER_VERTICAL, 100,100 );backgAlpha(0.5);popupWindow.setOnDismissListener(new OnDismissListener(){@Overridepublic void onDismiss(){backgAlpha(1);}});

//设置背景透明度

public void backgAlpha(double d){WindowManager.LayoutParams lp = getActivity().getWindow().getAttributes();lp.alpha = (float) d; getActivity().getWindow().setAttributes(lp);}

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