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我想要使用setContentView(R.layout.main)在活動中顯示主屏幕;然後已如下的圖像顯示:Android查看幫助
公共類TryGraph延伸活動 {
/** Called when the activity is first created. */
public LinearLayout mLinearLayout;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// Create a LinearLayout in which to add the ImageView
mLinearLayout = new LinearLayout(this);
// Instantiate an ImageView and define its properties
ImageView i = new ImageView(this);
i.setImageResource(R.drawable.face3);
i.setAdjustViewBounds(true); // set the ImageView bounds to match the Drawable's dimensions
mLinearLayout.addView(i);
setContentView(mLinearLayout);
}
}
main.xml中是這樣
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
<Button android:text="button" android:id="@+id/Button01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"></Button>
按鈕被隱藏通過圖片,因爲它是在按鈕頂部繪製的。如何在不同的地方在飛行中放置圖片,以便顯示按鈕和圖片。注意:我不想從xml顯示圖片,我想從LinearLayout顯示它。
http://stackoverflow.com/questions/3442331/draw-view-on-image-within-xml – 2010-08-09 18:03:01