我已经在 ,android 中制作了一个幻灯片演示。我将图像绑定(bind)到我的 LinearLayout 运行时,现在我想将整个可 ScrollView 保存到位图,我尝试了很多但都提供了仅将当前可见屏幕保存到位图的解决方案,任何人都可以帮助我如何保存整个可 ScrollView 在位图中查看(屏幕不可见),我的代码如下:
xml
<HorizontalScrollView
android:id="@+id/horizontal_scroll_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="55dp"
android:layout_centerHorizontal="true"
android:layout_marginBottom="55dp"
android:scrollbars="none" >
<ScrollView
android:id="@+id/scroler"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fillViewport="true"
android:scrollbars="none" >
<LinearLayout
android:id="@+id/mygallery"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical" />
</ScrollView>
</HorizontalScrollView>
Java
View insertPhoto(int i) {
LinearLayout layout = new LinearLayout(getApplicationContext());
layout.setLayoutParams(new LayoutParams(252, 252));
layout.setGravity(Gravity.FILL);
final ImageView imageView = new ImageView(getApplicationContext());
imageView1 = new ImageView(getApplicationContext());
imageView.setLayoutParams(new LayoutParams(250, 250));
imageView.setScaleType(ImageView.ScaleType.FIT_XY);
imageLoader.displayImage("file://" + dataT.get(i).sdcardPath,
imageView, new SimpleImageLoadingListener() {
public void onLoadingStarted(String imageUri, View view) {
imageView.setImageResource(R.drawable.no_media);
super.onLoadingStarted(imageUri, view);
}
});
layout.addView(imageView);
return layout;
}
使用它我制作了垂直方向的胶片。现在我想要这个胶片的位图来保存它。
最佳答案
public static Bitmap loadBitmapFromView(View v) {
Bitmap b = null;
v.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
b = Bitmap.createBitmap(v.getMeasuredWidth(),
v.getMeasuredHeight(), Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(b);
v.layout(0, 0, v.getMeasuredWidth(), v.getMeasuredHeight());
v.draw(c);
saveImageToInternalStorage(b);
return b;
}
关于android - 如何在android中创建图像 ScrollView 的位图?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/29506160/