/* * 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); } } }