Android imageview zoom

Layout ve Margin bilgileri ile ayarlayabilirsiniz.

RelativeLayout içine bir adet textview bir adette imageview at yeterli

import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.ImageView; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.ZoomControls; public class MainActivity extends AppCompatActivity { RelativeLayout rl; ZoomControls zoom; ImageView image; TextView text; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); rl = (RelativeLayout)findViewById(R.id.rl); image = (ImageView)findViewById(R.id.imageView); text=(TextView)findViewById(R.id.textView); zoom = new ZoomControls(MainActivity.this); RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams ((int) RelativeLayout.LayoutParams.WRAP_CONTENT, (int) RelativeLayout.LayoutParams.WRAP_CONTENT); params.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM); params.addRule(RelativeLayout.CENTER_HORIZONTAL); params.bottomMargin = 40; zoom.setLayoutParams(params); rl.addView(zoom); zoom.setOnZoomInClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub float x = text.getScaleX(); float y = text.getScaleY(); text.setScaleX((float) (x+1)); text.setScaleY((float) (y+1)); float x1 = image.getScaleX(); float y1 = image.getScaleY(); image.setScaleX((float) (x+1)); image.setScaleY((float) (y+1)); } }); zoom.setOnZoomOutClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub float x = text.getScaleX(); float y = text.getScaleY(); text.setScaleX((float) (x-1)); text.setScal