Monday, February 2, 2015

Android Tutorial for Beginners 11 # Android RatingBar Basics With Example

2:37 PM

By: Unknown On: 2:37 PM  In: ,  No comments 








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package com.example.programmingknowledge.thefirstapp;

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.Button;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RatingBar;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends ActionBarActivity {
      private static Button button_sbm;
      private static TextView text_v;
      private static RatingBar rating_b;
      @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
          listenerForRatingBar();
          onButtonClickListener();
    }

    public  void listenerForRatingBar() {
        rating_b = (RatingBar) findViewById(R.id.ratingBar);
        text_v = (TextView)findViewById(R.id.textView);

        rating_b.setOnRatingBarChangeListener(
                new RatingBar.OnRatingBarChangeListener() {
                    @Override
                    public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {
                        text_v.setText(String.valueOf(rating));
                    }
                }
        );
    }

    public void onButtonClickListener() {
        rating_b = (RatingBar) findViewById(R.id.ratingBar);
        button_sbm = (Button)findViewById(R.id.button);

        button_sbm.setOnClickListener(
                new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        Toast.makeText(MainActivity.this,
                                String.valueOf(rating_b.getRating()),
                                Toast.LENGTH_SHORT).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);
    }
}








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<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">

    <RatingBar
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/ratingBar"
        android:layout_marginTop="32dp"
        android:numStars="5"
        android:rating="2"
        android:stepSize="1"
        android:layout_below="@+id/textView"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="Large Text"
        android:id="@+id/textView"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Submit"
        android:id="@+id/button"
        android:layout_below="@+id/ratingBar"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />
</RelativeLayout>













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Extra Tags : Android,  programming, tutorial, beginners , develop, ,mobile phone, Environment Setup, Application Components, Activity Lifecycle, Service Lifecycle, Application Architecture, Publishing Application, Debugging  Applications, Hadnling Events, Layouts, User Interface Controls, Styles and Themes,  Handling Rotation, data storage, managing media, Send Email, Send SMS, Phone Calls, Checkbox , Android components, RadioButton click listener,select multiple items,show selected checkbox

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