Activity使用Dialog样式导致点击空白处自动关闭的问题

将Activity设置成窗口的样式实现Dialog或者Popupwindow效果在开发中是很常用的一种方式，在AndroidMenifest.xml中将需要设置的Activity增加android:theme="@android:style/Theme.Dialog"属性即可。但是窗口化的Activity有个问题就是:点击窗口空白处Activity会finish。如何避免这个问题呢，办法如下：

一、如果API Level>=11有两种方式：

1、

res\values\styles.xml

[html] view
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<resources>

<style name="Theme.SoundRecorder" parent="@android:style/Theme.Holo.DialogWhenLarge">

<item name="android:windowCloseOnTouchOutside">false</item>

</style>

</resources>

2、

[java] view
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YourActivity.this.setFinishOnTouchOutside(false);

二、如果API Level<11

[java] view
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@Override

public boolean onTouchEvent(MotionEvent event) {

if (event.getAction() == MotionEvent.ACTION_DOWN && isOutOfBounds(this, event)) {

return true;

}

return super.onTouchEvent(event);

}

private boolean isOutOfBounds(Activity context, MotionEvent event) {

final int x = (int) event.getX();

final int y = (int) event.getY();

final int slop = ViewConfiguration.get(context).getScaledWindowTouchSlop();

final View decorView = context.getWindow().getDecorView();

return (x < -slop) || (y < -slop)|| (x > (decorView.getWidth() + slop))|| (y > (decorView.getHeight() + slop));

}