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.os.Bundle; 23 import android.view.Window; 24 import android.view.View; 25 import android.widget.Button; 26 27 28 /** 29 * Demonstrates how to use an indeterminate progress indicator in the window's title bar. 30 */ 31 public class ProgressBar4 extends Activity { 32 private boolean mToggleIndeterminate = false; 33 34 @Override 35 protected void onCreate(Bundle savedInstanceState) { 36 super.onCreate(savedInstanceState); 37 38 // Request progress bar 39 requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); 40 setContentView(R.layout.progressbar_4); 41 setProgressBarIndeterminateVisibility(mToggleIndeterminate); 42 43 Button button = (Button) findViewById(R.id.toggle); 44 button.setOnClickListener(new Button.OnClickListener() { 45 public void onClick(View v) { 46 mToggleIndeterminate = !mToggleIndeterminate; 47 setProgressBarIndeterminateVisibility(mToggleIndeterminate); 48 } 49 }); 50 } 51 } 52