Show the Magnet i.e. add it to the Window

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Callback for when the icon has been dragged by the user @param x x coordiante on the screen in pixels @param y y coordinate on the screen in pixels

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Destroys the magnet - removes the view from the WindowManager and calls {@link IconCallback#onIconDestroyed()}

获取可用内存

计算已使用内存的百分比

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getTotalPss，5.0+使用开源的android-processes解决方案，5.0以下使用系统api @param processNameList @return

使用Application context来调用getSystemService，避免内存泄漏 @param className @return

Insert code for what to do when the icon has been flung away

Callback for when the icon has been clicked. Perform any action such as launch your app, or show a menu, etc. @param icon the view holding the icon. G

Callback for when the icon has been destroyed. Usually you should stop your service in this.

Callback for when the icon moves, or when it isis flung away and destroyed @param callback @return

The Icon must have a view, provide a view or a layout using {@link #setIconView(int)} @param iconView the view representing the icon @return

Set the initial coordinates of the magnet @param x @param y @return

Set the position of the Magnet. Note: must be called after {@link #show()} is called. This will call {@link IconCallback#onMove(float, float)} on yo

you can set a custom remove icon or use the default one @param removeIconResId @return

you can set a custom remove icon shadow or use the default one @param shadow @return

@param shouldBeResponsive @return

whether you can fling away your Magnet towards the bottom of the screen @param shoudlFling @return

whether your magnet sticks to the edge of your screen when you release it @param shouldStick @return

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