1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 package com.example.android.leanback; 15 16 import android.app.Activity; 17 import android.app.Fragment; 18 import android.os.Bundle; 19 import android.os.Handler; 20 import android.view.Gravity; 21 import android.view.LayoutInflater; 22 import android.view.View; 23 import android.view.ViewGroup; 24 import android.widget.FrameLayout; 25 import android.widget.ProgressBar; 26 27 public class BrowseErrorActivity extends Activity 28 { 29 private ErrorFragment mErrorFragment; 30 private SpinnerFragment mSpinnerFragment; 31 32 /** Called when the activity is first created. */ 33 @Override onCreate(Bundle savedInstanceState)34 public void onCreate(Bundle savedInstanceState) 35 { 36 super.onCreate(savedInstanceState); 37 setContentView(R.layout.browse); 38 39 testError(); 40 } 41 42 @Override onAttachedToWindow()43 public void onAttachedToWindow() { 44 super.onAttachedToWindow(); 45 BackgroundHelper.attach(this); 46 } 47 48 @Override onStop()49 public void onStop() { 50 BackgroundHelper.release(this); 51 super.onStop(); 52 } 53 testError()54 private void testError() { 55 mErrorFragment = new ErrorFragment(); 56 getFragmentManager().beginTransaction().add(R.id.main_frame, mErrorFragment).commit(); 57 58 mSpinnerFragment = new SpinnerFragment(); 59 getFragmentManager().beginTransaction().add(R.id.main_frame, mSpinnerFragment).commit(); 60 61 Handler handler = new Handler(); 62 handler.postDelayed(new Runnable() { 63 @Override 64 public void run() { 65 if (getFragmentManager().isDestroyed()) { 66 return; 67 } 68 getFragmentManager().beginTransaction().remove(mSpinnerFragment).commit(); 69 mErrorFragment.setErrorContent(getResources()); 70 } 71 }, 3000); 72 } 73 74 static public class SpinnerFragment extends Fragment { 75 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)76 public View onCreateView(LayoutInflater inflater, ViewGroup container, 77 Bundle savedInstanceState) { 78 ProgressBar progressBar = new ProgressBar(container.getContext()); 79 if (container instanceof FrameLayout) { 80 FrameLayout.LayoutParams layoutParams = new FrameLayout.LayoutParams(100, 100, Gravity.CENTER); 81 progressBar.setLayoutParams(layoutParams); 82 } 83 return progressBar; 84 } 85 } 86 } 87