| /* |
| * 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.SeekBar; |
| 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); |
| } |
| } |
| |
| } |