1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.apis.view; 18 19 import com.example.android.apis.R; 20 21 import android.app.Activity; 22 import android.widget.Button; 23 import android.widget.ProgressBar; 24 import android.os.Bundle; 25 import android.view.View; 26 import android.view.Window; 27 28 29 /** 30 * Demonstrates how to use progress bars as widgets and in the title bar. The progress bar 31 * in the title will be shown until the progress is complete, at which point it fades away. 32 */ 33 public class ProgressBar1 extends Activity { 34 @Override 35 protected void onCreate(Bundle savedInstanceState) { 36 super.onCreate(savedInstanceState); 37 38 // Request the progress bar to be shown in the title 39 requestWindowFeature(Window.FEATURE_PROGRESS); 40 setContentView(R.layout.progressbar_1); 41 setProgressBarVisibility(true); 42 43 final ProgressBar progressHorizontal = (ProgressBar) findViewById(R.id.progress_horizontal); 44 setProgress(progressHorizontal.getProgress() * 100); 45 setSecondaryProgress(progressHorizontal.getSecondaryProgress() * 100); 46 47 Button button = (Button) findViewById(R.id.increase); 48 button.setOnClickListener(new Button.OnClickListener() { 49 public void onClick(View v) { 50 progressHorizontal.incrementProgressBy(1); 51 // Title progress is in range 0..10000 52 setProgress(100 * progressHorizontal.getProgress()); 53 } 54 }); 55 56 button = (Button) findViewById(R.id.decrease); 57 button.setOnClickListener(new Button.OnClickListener() { 58 public void onClick(View v) { 59 progressHorizontal.incrementProgressBy(-1); 60 // Title progress is in range 0..10000 61 setProgress(100 * progressHorizontal.getProgress()); 62 } 63 }); 64 65 button = (Button) findViewById(R.id.increase_secondary); 66 button.setOnClickListener(new Button.OnClickListener() { 67 public void onClick(View v) { 68 progressHorizontal.incrementSecondaryProgressBy(1); 69 // Title progress is in range 0..10000 70 setSecondaryProgress(100 * progressHorizontal.getSecondaryProgress()); 71 } 72 }); 73 74 button = (Button) findViewById(R.id.decrease_secondary); 75 button.setOnClickListener(new Button.OnClickListener() { 76 public void onClick(View v) { 77 progressHorizontal.incrementSecondaryProgressBy(-1); 78 // Title progress is in range 0..10000 79 setSecondaryProgress(100 * progressHorizontal.getSecondaryProgress()); 80 } 81 }); 82 83 } 84 } 85
