1 /* 2 * Copyright (C) 2010 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.android.internal.app; 18 19 import com.android.internal.R; 20 21 import android.app.Activity; 22 import android.app.ActivityManagerNative; 23 import android.content.Intent; 24 import android.content.IntentSender; 25 import android.content.pm.ApplicationInfo; 26 import android.content.pm.PackageManager; 27 import android.graphics.drawable.Drawable; 28 import android.os.Bundle; 29 import android.os.RemoteException; 30 import android.util.Log; 31 import android.util.TypedValue; 32 import android.view.View; 33 import android.view.Window; 34 import android.view.View.OnClickListener; 35 import android.widget.Button; 36 import android.widget.ImageView; 37 import android.widget.TextView; 38 39 /** 40 * This activity is displayed when the system attempts to start an Intent for 41 * which there is more than one matching activity, allowing the user to decide 42 * which to go to. It is not normally used directly by application developers. 43 */ 44 public class HeavyWeightSwitcherActivity extends Activity { 45 /** The PendingIntent of the new activity being launched. */ 46 public static final String KEY_INTENT = "intent"; 47 /** Set if the caller is requesting a result. */ 48 public static final String KEY_HAS_RESULT = "has_result"; 49 /** Package of current heavy-weight app. */ 50 public static final String KEY_CUR_APP = "cur_app"; 51 /** Task that current heavy-weight activity is running in. */ 52 public static final String KEY_CUR_TASK = "cur_task"; 53 /** Package of newly requested heavy-weight app. */ 54 public static final String KEY_NEW_APP = "new_app"; 55 56 IntentSender mStartIntent; 57 boolean mHasResult; 58 String mCurApp; 59 int mCurTask; 60 String mNewApp; 61 62 @Override onCreate(Bundle savedInstanceState)63 protected void onCreate(Bundle savedInstanceState) { 64 super.onCreate(savedInstanceState); 65 66 requestWindowFeature(Window.FEATURE_LEFT_ICON); 67 68 mStartIntent = (IntentSender)getIntent().getParcelableExtra(KEY_INTENT); 69 mHasResult = getIntent().getBooleanExtra(KEY_HAS_RESULT, false); 70 mCurApp = getIntent().getStringExtra(KEY_CUR_APP); 71 mCurTask = getIntent().getIntExtra(KEY_CUR_TASK, 0); 72 mNewApp = getIntent().getStringExtra(KEY_NEW_APP); 73 74 setContentView(com.android.internal.R.layout.heavy_weight_switcher); 75 76 setIconAndText(R.id.old_app_icon, R.id.old_app_action, R.id.old_app_description, 77 mCurApp, R.string.old_app_action, R.string.old_app_description); 78 setIconAndText(R.id.new_app_icon, R.id.new_app_action, R.id.new_app_description, 79 mNewApp, R.string.new_app_action, R.string.new_app_description); 80 81 View button = findViewById((R.id.switch_old)); 82 button.setOnClickListener(mSwitchOldListener); 83 button = findViewById((R.id.switch_new)); 84 button.setOnClickListener(mSwitchNewListener); 85 button = findViewById((R.id.cancel)); 86 button.setOnClickListener(mCancelListener); 87 88 TypedValue out = new TypedValue(); 89 getTheme().resolveAttribute(android.R.attr.alertDialogIcon, out, true); 90 getWindow().setFeatureDrawableResource(Window.FEATURE_LEFT_ICON, 91 out.resourceId); 92 } 93 setText(int id, CharSequence text)94 void setText(int id, CharSequence text) { 95 ((TextView)findViewById(id)).setText(text); 96 } 97 setDrawable(int id, Drawable dr)98 void setDrawable(int id, Drawable dr) { 99 if (dr != null) { 100 ((ImageView)findViewById(id)).setImageDrawable(dr); 101 } 102 } 103 setIconAndText(int iconId, int actionId, int descriptionId, String packageName, int actionStr, int descriptionStr)104 void setIconAndText(int iconId, int actionId, int descriptionId, 105 String packageName, int actionStr, int descriptionStr) { 106 CharSequence appName = ""; 107 Drawable appIcon = null; 108 if (mCurApp != null) { 109 try { 110 ApplicationInfo info = getPackageManager().getApplicationInfo( 111 packageName, 0); 112 appName = info.loadLabel(getPackageManager()); 113 appIcon = info.loadIcon(getPackageManager()); 114 } catch (PackageManager.NameNotFoundException e) { 115 } 116 } 117 118 setDrawable(iconId, appIcon); 119 setText(actionId, getString(actionStr, appName)); 120 setText(descriptionId, getText(descriptionStr)); 121 } 122 123 private OnClickListener mSwitchOldListener = new OnClickListener() { 124 public void onClick(View v) { 125 try { 126 ActivityManagerNative.getDefault().moveTaskToFront(mCurTask, 0, null); 127 } catch (RemoteException e) { 128 } 129 finish(); 130 } 131 }; 132 133 private OnClickListener mSwitchNewListener = new OnClickListener() { 134 public void onClick(View v) { 135 try { 136 ActivityManagerNative.getDefault().finishHeavyWeightApp(); 137 } catch (RemoteException e) { 138 } 139 try { 140 if (mHasResult) { 141 startIntentSenderForResult(mStartIntent, -1, null, 142 Intent.FLAG_ACTIVITY_FORWARD_RESULT, 143 Intent.FLAG_ACTIVITY_FORWARD_RESULT, 0); 144 } else { 145 startIntentSenderForResult(mStartIntent, -1, null, 0, 0, 0); 146 } 147 } catch (IntentSender.SendIntentException ex) { 148 Log.w("HeavyWeightSwitcherActivity", "Failure starting", ex); 149 } 150 finish(); 151 } 152 }; 153 154 private OnClickListener mCancelListener = new OnClickListener() { 155 public void onClick(View v) { 156 finish(); 157 } 158 }; 159 } 160