getWindow()

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最新推荐文章于 2023-11-21 08:49:58 发布

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分类专栏： Android 文章标签： initialization dialog access layout class api

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getWindow(): Retrieve the current Window for the activity. This can be used to directly access parts of the Window API that are not available through Activity/Screen.

Sample code:

public class DialogActivity extends Activity { /** * Initialization of the Activity after it is first created. Must at least * call {@link android.app.Activity#setContentView setContentView()} to * describe what is to be displayed in the screen. */ @Override protected void onCreate(Bundle savedInstanceState) { // Be sure to call the super class. super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_LEFT_ICON); // See assets/res/any/layout/dialog_activity.xml for this // view layout definition, which is being set here as // the content of our screen. setContentView(R.layout.dialog_activity); getWindow().setFeatureDrawableResource(Window.FEATURE_LEFT_ICON, android.R.drawable.ic_dialog_alert); } }