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public class MainActivity extends Activity {
Button btnCall;
EditText etPhoneNum;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btnCall = (Button) findViewById(R.id.button1);
btnCall.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
etPhoneNum = (EditText) MainActivity.this
.findViewById(R.id.editText1);
String num = etPhoneNum.getText().toString();
Intent intent = new Intent();
intent.setAction(Intent.ACTION_CALL);
intent.setData(Uri.parse("tel:" + num));
MainActivity.this.startActivity(intent);
}
});
}