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copied!<p>Try it like this:</p> <p>(just change "btnOpenA.setOnClickListener(btnMethods);" and "btnOpenB.setOnClickListener(btnMethods);" for this two and forget the button class)</p> <hr> <pre><code> btnOpenA.setOnClickListener(new OnClickListener() { @Override public void onClick(final View view) { final Intent intent = new Intent(MainActivity.this, ActivityA.class); SensorActivity.this.startActivity(intent); } }); btnOpenB.setOnClickListener(new OnClickListener() { @Override public void onClick(final View view) { final Intent intent = new Intent(MainActivity.this, ActivityB.class); SensorActivity.this.startActivity(intent); } }); </code></pre> <hr> <p>EDIT: If you want that button class badly, you can try this:</p> <p>(Register the listeners using this "listener class" nested class inside your activity, or change it to public and put it on a different file and then register the listeners using this "listener class". Context will still be related to the MainActivity.)</p> <pre><code>private final class OnClickBtn implements OnClickListener { @Override public void onClick(final View view) { if( view.getId() == R.id.btnOpenA ){ final Context context = view.getContext(); final Intent intent = new Intent(context, ActivityA.class); view.getContext().startActivity(intent); } else if( view.getId() == R.id.btnOpenB ){ final Context context = view.getContext(); final Intent intent = new Intent(context, ActivityB.class); view.getContext().startActivity(intent); } } } </code></pre>

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