我知道毕加索将图像加载到imageview等,但如何使用毕加索设置我的布局背景图像?
我的代码:
public class MainActivity extends ActionBarActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
RelativeLayout relativeLayout = (RelativeLayout) findViewById(R.id.relativelayout);
relativeLayout.setBackgroundResource(R.drawable.table_background);
Picasso.with(MainActivity.this)
.load(R.drawable.table_background)
.resize(200, 200)
.into(relativeLayout);
return relativeLayout;
}
Run Code Online (Sandbox Code Playgroud)
我在这里给出了任何错误,说它无法解决.我有一个ScrollView和相对布局.
java android android-scrollview picasso android-relativelayout
我是Android开发的新手,遇到了一个问题,我正在尝试创建一个在图库中显示的图像数组,当我点击图片时,它会显示底部的图片.当我运行应用程序时,它崩溃了.我能得到的任何帮助都会非常有帮助.并提前感谢.
我的问题是
NullPointerException
?谢谢
我的布局:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".PicturesActivity" >
<Gallery
android:id="@+id/gallery1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_marginTop="16dp" />
<ImageView
android:id="@+id/image1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/trophykiss" />
</RelativeLayout>
Run Code Online (Sandbox Code Playgroud)
我的课:
public class PicturesActivity extends Activity {
Bitmap[] myImages = new Bitmap[] {
BitmapFactory.decodeResource(getResources(), R.drawable.champions),
BitmapFactory.decodeResource(getResources(), R.drawable.trophykiss),
BitmapFactory.decodeResource(getResources(), R.drawable.championstwo),
BitmapFactory.decodeResource(getResources(), R.drawable.trophies),
BitmapFactory.decodeResource(getResources(), R.drawable.culture),
BitmapFactory.decodeResource(getResources(), R.drawable.maintrophy),
BitmapFactory.decodeResource(getResources(), R.drawable.dive),
BitmapFactory.decodeResource(getResources(), R.drawable.naijamain),
BitmapFactory.decodeResource(getResources(), R.drawable.ethiopia),
BitmapFactory.decodeResource(getResources(), R.drawable.peru),
BitmapFactory.decodeResource(getResources(), R.drawable.funtime),
BitmapFactory.decodeResource(getResources(), R.drawable.skils),
BitmapFactory.decodeResource(getResources(), R.drawable.gabon),
BitmapFactory.decodeResource(getResources(), R.drawable.gambia),
BitmapFactory.decodeResource(getResources(), R.drawable.guinea)
};
private ImageView imageView; …
Run Code Online (Sandbox Code Playgroud)