Hi, everyone,
I;m testing to scale an image, and I got a problem:
main.xml:
<ImageView
android:id="@+id/iv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
/>
onCreate():
iv = (ImageView) findViewById(R.id.iv);
iv.setImageResource(R.drawable.icon);
onTouchEvent():
Matrix mtrx = iv.getImageMatrix();
mtrx.postScale(2, 2);
iv.setImageMatrix(mtrx);
iv.setScaleType(ScaleType.MATRIX);
iv.invalidate();
when I touch the screen the image does scaled, but the size of
imageview does not change, so I can only see part of the image. Any
way to map the imageview to the Matrix(or the drawable)? I add
android:adjustViewBounds="true" but it not works.
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