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copied!<p>on button click it shows an alterDialogue for user to input. once some value is inputted it shows it in the corresponding textview. Here is the whole code:</p> <pre><code>package com.example.testandroidapp; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.os.Bundle; import android.view.Menu; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; public class MainActivity extends Activity { TextView input1; String value = ""; int bias; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button grayScaleFilterButton = (Button) findViewById(R.id.button1); input1 = (TextView) findViewById(R.id.textView1); grayScaleFilterButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { AlertDialog.Builder alert = new AlertDialog.Builder(v .getContext()); alert.setTitle("Title"); alert.setMessage("Message"); // Set an EditText view to get user input final EditText input = new EditText(MainActivity.this); alert.setView(input); alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { value = input.getText().toString(); // Convert the inputted string into Integer bias = Integer.parseInt(value); } }); alert.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { // Canceled. } }); alert.show(); } }); input1.setText(value); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } } </code></pre>

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