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.tvleanback.ui; 15 16 import android.app.Activity; 17 import android.app.Fragment; 18 import android.content.Intent; 19 import android.os.Bundle; 20 import android.os.Handler; 21 import android.view.Gravity; 22 import android.view.LayoutInflater; 23 import android.view.View; 24 import android.view.ViewGroup; 25 import android.widget.FrameLayout; 26 import android.widget.ProgressBar; 27 28 import com.example.android.tvleanback.R; 29 30 /* 31 * BrowseErrorActivity shows how to use ErrorFragment 32 */ 33 public class BrowseErrorActivity extends Activity { 34 private static int TIMER_DELAY = 3000; 35 private static int SPINNER_WIDTH = 100; 36 private static int SPINNER_HEIGHT = 100; 37 38 private ErrorFragment mErrorFragment; 39 private SpinnerFragment mSpinnerFragment; 40 41 /** 42 * Called when the activity is first created. 43 */ 44 @Override onCreate(Bundle savedInstanceState)45 public void onCreate(Bundle savedInstanceState) { 46 super.onCreate(savedInstanceState); 47 setContentView(R.layout.main); 48 49 testError(); 50 } 51 testError()52 private void testError() { 53 mErrorFragment = new ErrorFragment(); 54 getFragmentManager().beginTransaction().add(R.id.main_frame, mErrorFragment).commit(); 55 56 mSpinnerFragment = new SpinnerFragment(); 57 getFragmentManager().beginTransaction().add(R.id.main_frame, mSpinnerFragment).commit(); 58 59 final Handler handler = new Handler(); 60 handler.postDelayed(new Runnable() { 61 @Override 62 public void run() { 63 getFragmentManager().beginTransaction().remove(mSpinnerFragment).commit(); 64 mErrorFragment.setErrorContent(); 65 } 66 }, TIMER_DELAY); 67 } 68 69 @Override onSearchRequested()70 public boolean onSearchRequested() { 71 startActivity(new Intent(this, SearchActivity.class)); 72 return true; 73 } 74 75 static public class SpinnerFragment extends Fragment { 76 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)77 public View onCreateView(LayoutInflater inflater, ViewGroup container, 78 Bundle savedInstanceState) { 79 ProgressBar progressBar = new ProgressBar(container.getContext()); 80 if (container instanceof FrameLayout) { 81 FrameLayout.LayoutParams layoutParams = 82 new FrameLayout.LayoutParams(SPINNER_WIDTH, SPINNER_HEIGHT, Gravity.CENTER); 83 progressBar.setLayoutParams(layoutParams); 84 } 85 return progressBar; 86 } 87 } 88 } 89