App - Activity - Dialog

Dialog

Dialog風にActivityを表示させています。 Window.FEATURE_LEFT_ICON でタイプを設定して

android.R.drawableに最初からあるアイコン ic_dialog_alert を指定しています。

Java

    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);
    }

Layout

<TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/text"
    android:layout_width="fill_parent" android:layout_height="fill_parent"
    android:gravity="center_vertical|center_horizontal"
    android:text="@string/dialog_activity_text"/>

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