/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.apis.view;
import android.app.Activity;
import android.os.Bundle;
import android.widget.RatingBar;
import android.widget.TextView;
import com.example.android.apis.R;
/**
* Demonstrates how to use a rating bar
*/
public class RatingBar1 extends Activity implements RatingBar.OnRatingBarChangeListener {
RatingBar mSmallRatingBar;
RatingBar mIndicatorRatingBar;
TextView mRatingText;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.ratingbar_1);
mRatingText = (TextView) findViewById(R.id.rating);
// We copy the most recently changed rating on to these indicator-only
// rating bars
mIndicatorRatingBar = (RatingBar) findViewById(R.id.indicator_ratingbar);
mSmallRatingBar = (RatingBar) findViewById(R.id.small_ratingbar);
// The different rating bars in the layout. Assign the listener to us.
((RatingBar)findViewById(R.id.ratingbar1)).setOnRatingBarChangeListener(this);
((RatingBar)findViewById(R.id.ratingbar2)).setOnRatingBarChangeListener(this);
}
public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromTouch) {
final int numStars = ratingBar.getNumStars();
mRatingText.setText(
getString(R.string.ratingbar_rating) + " " + rating + "/" + numStars);
// Since this rating bar is updated to reflect any of the other rating
// bars, we should update it to the current values.
if (mIndicatorRatingBar.getNumStars() != numStars) {
mIndicatorRatingBar.setNumStars(numStars);
mSmallRatingBar.setNumStars(numStars);
}
if (mIndicatorRatingBar.getRating() != rating) {
mIndicatorRatingBar.setRating(rating);
mSmallRatingBar.setRating(rating);
}
final float ratingBarStepSize = ratingBar.getStepSize();
if (mIndicatorRatingBar.getStepSize() != ratingBarStepSize) {
mIndicatorRatingBar.setStepSize(ratingBarStepSize);
mSmallRatingBar.setStepSize(ratingBarStepSize);
}
}
}
//layout/ratingbar_1.xml
android:orientation="vertical"
android:paddingLeft="10dip"
android:layout_width="match_parent"
android:layout_height="match_parent">
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:numStars="3"
android:rating="2.5" />
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:numStars="5"
android:rating="2.25" />
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dip">
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
style="?android:attr/ratingBarStyleSmall"
android:layout_marginLeft="5dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical" />
style="?android:attr/ratingBarStyleIndicator"
android:layout_marginLeft="5dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical" />