1 /* 2 ** 3 ** Copyright 2007, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 package com.android.packageinstaller; 18 19 import android.app.Activity; 20 import android.content.Intent; 21 import android.content.pm.ApplicationInfo; 22 import android.content.pm.IPackageDeleteObserver; 23 import android.os.Bundle; 24 import android.os.Handler; 25 import android.os.Message; 26 import android.util.Log; 27 import android.view.KeyEvent; 28 import android.view.View; 29 import android.view.Window; 30 import android.view.View.OnClickListener; 31 import android.widget.Button; 32 import android.widget.ProgressBar; 33 import android.widget.TextView; 34 35 /** 36 * This activity corresponds to a download progress screen that is displayed 37 * when an application is uninstalled. The result of the application uninstall 38 * is indicated in the result code that gets set to 0 or 1. The application gets launched 39 * by an intent with the intent's class name explicitly set to UninstallAppProgress and expects 40 * the application object of the application to uninstall. 41 */ 42 public class UninstallAppProgress extends Activity implements OnClickListener { 43 private final String TAG="UninstallAppProgress"; 44 private boolean localLOGV = false; 45 private ApplicationInfo mAppInfo; 46 private TextView mStatusTextView; 47 private Button mOkButton; 48 private ProgressBar mProgressBar; 49 private View mOkPanel; 50 private volatile int mResultCode = -1; 51 private final int UNINSTALL_COMPLETE = 1; 52 public final static int SUCCEEDED=1; 53 public final static int FAILED=0; 54 private Handler mHandler = new Handler() { 55 public void handleMessage(Message msg) { 56 switch (msg.what) { 57 case UNINSTALL_COMPLETE: 58 mResultCode = msg.arg1; 59 // Update the status text 60 if (msg.arg1 == SUCCEEDED) { 61 mStatusTextView.setText(R.string.uninstall_done); 62 } else { 63 mStatusTextView.setText(R.string.uninstall_failed); 64 } 65 mProgressBar.setVisibility(View.INVISIBLE); 66 // Show the ok button 67 mOkPanel.setVisibility(View.VISIBLE); 68 break; 69 default: 70 break; 71 } 72 } 73 }; 74 75 @Override onCreate(Bundle icicle)76 public void onCreate(Bundle icicle) { 77 super.onCreate(icicle); 78 Intent intent = getIntent(); 79 mAppInfo = intent.getParcelableExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO); 80 initView(); 81 } 82 83 class PackageDeleteObserver extends IPackageDeleteObserver.Stub { packageDeleted(boolean succeeded)84 public void packageDeleted(boolean succeeded) { 85 Message msg = mHandler.obtainMessage(UNINSTALL_COMPLETE); 86 msg.arg1 = succeeded?SUCCEEDED:FAILED; 87 mHandler.sendMessage(msg); 88 } 89 } 90 setResultAndFinish(int retCode)91 void setResultAndFinish(int retCode) { 92 setResult(retCode); 93 finish(); 94 } 95 initView()96 public void initView() { 97 requestWindowFeature(Window.FEATURE_NO_TITLE); 98 setContentView(R.layout.uninstall_progress); 99 // Initialize views 100 PackageUtil.initSnippetForInstalledApp(this, mAppInfo, R.id.app_snippet); 101 mStatusTextView = (TextView)findViewById(R.id.center_text); 102 mStatusTextView.setText(R.string.uninstalling); 103 mProgressBar = (ProgressBar) findViewById(R.id.progress_bar); 104 mProgressBar.setIndeterminate(true); 105 // Hide button till progress is being displayed 106 mOkPanel = (View)findViewById(R.id.ok_panel); 107 mOkButton = (Button)findViewById(R.id.ok_button); 108 mOkButton.setOnClickListener(this); 109 mOkPanel.setVisibility(View.INVISIBLE); 110 PackageDeleteObserver observer = new PackageDeleteObserver(); 111 getPackageManager().deletePackage(mAppInfo.packageName, observer, 0); 112 } 113 onClick(View v)114 public void onClick(View v) { 115 if(v == mOkButton) { 116 Log.i(TAG, "Finished uninstalling pkg: " + mAppInfo.packageName); 117 setResultAndFinish(mResultCode); 118 } 119 } 120 121 @Override dispatchKeyEvent(KeyEvent ev)122 public boolean dispatchKeyEvent(KeyEvent ev) { 123 if (ev.getKeyCode() == KeyEvent.KEYCODE_BACK) { 124 if (mResultCode == -1) { 125 // Ignore back key when installation is in progress 126 return true; 127 } else { 128 // If installation is done, just set the result code 129 setResult(mResultCode); 130 } 131 } 132 return super.dispatchKeyEvent(ev); 133 } 134 } 135