讓Acitvity切換橫向直向不要重啟

gistfile1.txt

 AndroidManifest.xml
 -----------------------------------
 <activity
            android:name=".DemoActivity"
            android:screenOrientation="unspecified"
            android:configChanges="orientation|screenSize"
           />
           
DemoActivity.java
-------------------------------
public class DemoActivity extends Activity{
   ...
  @Override
	public void onConfigurationChanged(Configuration newConfig) {
		super.onConfigurationChanged(newConfig);
		if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {
			Log.d(TAG, "screen landscape");
		} else if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) {
			Log.d(TAG, "screen portrait");

		}
	}
   ...
}