Android checkbox example
In This Tutorial How to create checkbox in android so follow this tutorial
1.activity_main.xml:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"
android:id="@+id/abc">
<CheckBox
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Dog"
android:id="@+id/checkBox_dog"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginTop="46dp"
android:checked="false" />
<CheckBox
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Cat"
android:id="@+id/checkBox_cat"
android:layout_below="@+id/checkBox_dog"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginTop="34dp"
android:checked="false" />
<CheckBox
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Cow"
android:id="@+id/checkBox_cow"
android:layout_below="@+id/checkBox_cat"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginTop="39dp"
android:checked="false" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Select"
android:id="@+id/button"
android:layout_centerVertical="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
</RelativeLayout>
2.MainActivity.java:
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.CheckBox;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends ActionBarActivity {
private CheckBox check1,check2 ,check3;
private Button button_sel;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
addListenerOnButton();
addListnerToCheckBox();
}
public void addListnerToCheckBox() {
check1 = (CheckBox)findViewById(R.id.checkBox_dog);
check1.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
if(((CheckBox)v).isChecked()) {
Toast.makeText(MainActivity.this,
"Dog is selected",Toast.LENGTH_LONG).show();
}
}
}
);
}
public void addListenerOnButton() {
check1 = (CheckBox)findViewById(R.id.checkBox_dog);
check2 = (CheckBox)findViewById(R.id.checkBox_cat);
check3 = (CheckBox)findViewById(R.id.checkBox_cow);
button_sel = (Button)findViewById(R.id.button);
button_sel.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
StringBuffer result = new StringBuffer();
result.append("Dog : ").append(check1.isChecked());
result.append("\nCat : ").append(check2.isChecked());
result.append("\nCow : ").append(check3.isChecked());
Toast.makeText(MainActivity.this,result.toString(),
Toast.LENGTH_LONG).show();
}
}
);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
No comments:
Post a Comment