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/*
**
** Copyright 2007, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
package com.android.packageinstaller;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.ComponentName;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.Button;
import android.widget.TextView;
import java.util.List;
/*
* This activity presents UI to uninstall an application. Usually launched with intent
* Intent.ACTION_UNINSTALL_PKG_COMMAND and attribute
* com.android.packageinstaller.PackageName set to the application package name
*/
public class UninstallerActivity extends Activity implements OnClickListener,
DialogInterface.OnCancelListener {
private static final String TAG = "UninstallerActivity";
private boolean localLOGV = false;
PackageManager mPm;
private ApplicationInfo mAppInfo;
private Button mOk;
private Button mCancel;
// Dialog identifiers used in showDialog
private static final int DLG_BASE = 0;
private static final int DLG_APP_NOT_FOUND = DLG_BASE + 1;
private static final int DLG_UNINSTALL_FAILED = DLG_BASE + 2;
@Override
public Dialog onCreateDialog(int id) {
switch (id) {
case DLG_APP_NOT_FOUND :
return new AlertDialog.Builder(this)
.setTitle(R.string.app_not_found_dlg_title)
.setIcon(com.android.internal.R.drawable.ic_dialog_alert)
.setMessage(R.string.app_not_found_dlg_text)
.setNeutralButton(getString(R.string.dlg_ok),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
finish();
}})
.create();
case DLG_UNINSTALL_FAILED :
// Guaranteed not to be null. will default to package name if not set by app
CharSequence appTitle = mPm.getApplicationLabel(mAppInfo);
String dlgText = getString(R.string.uninstall_failed_msg,
appTitle.toString());
// Display uninstall failed dialog
return new AlertDialog.Builder(this)
.setTitle(R.string.uninstall_failed)
.setIcon(com.android.internal.R.drawable.ic_dialog_alert)
.setMessage(dlgText)
.setNeutralButton(getString(R.string.dlg_ok),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
finish();
}})
.create();
}
return null;
}
private void startUninstallProgress() {
Intent newIntent = new Intent(Intent.ACTION_VIEW);
newIntent.putExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO,
mAppInfo);
newIntent.setClass(this, UninstallAppProgress.class);
startActivity(newIntent);
finish();
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
// Get intent information.
// We expect an intent with URI of the form package://<packageName>#<className>
// className is optional; if specified, it is the activity the user chose to uninstall
final Intent intent = getIntent();
Uri packageURI = intent.getData();
String packageName = packageURI.getEncodedSchemeSpecificPart();
if(packageName == null) {
Log.e(TAG, "Invalid package name:" + packageName);
showDialog(DLG_APP_NOT_FOUND);
return;
}
mPm = getPackageManager();
boolean errFlag = false;
try {
mAppInfo = mPm.getApplicationInfo(packageName, PackageManager.GET_UNINSTALLED_PACKAGES);
} catch (NameNotFoundException e) {
errFlag = true;
}
// The class name may have been specified (e.g. when deleting an app from all apps)
String className = packageURI.getFragment();
ActivityInfo activityInfo = null;
if (className != null) {
try {
activityInfo = mPm.getActivityInfo(new ComponentName(packageName, className), 0);
} catch (NameNotFoundException e) {
errFlag = true;
}
}
if(mAppInfo == null || errFlag) {
Log.e(TAG, "Invalid packageName or componentName in " + packageURI.toString());
showDialog(DLG_APP_NOT_FOUND);
} else {
boolean isUpdate = ((mAppInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0);
setContentView(R.layout.uninstall_confirm);
TextView confirm = (TextView) findViewById(R.id.uninstall_confirm);
if (isUpdate) {
setTitle(R.string.uninstall_update_title);
confirm.setText(R.string.uninstall_update_text);
} else {
setTitle(R.string.uninstall_application_title);
confirm.setText(R.string.uninstall_application_text);
}
// If an activity was specified (e.g. when dragging from All Apps to trash can),
// give a bit more info if the activity label isn't the same as the package label.
if (activityInfo != null) {
CharSequence activityLabel = activityInfo.loadLabel(mPm);
if (!activityLabel.equals(mAppInfo.loadLabel(mPm))) {
TextView activityText = (TextView) findViewById(R.id.activity_text);
CharSequence text = getString(R.string.uninstall_activity_text, activityLabel);
activityText.setText(text);
activityText.setVisibility(View.VISIBLE);
}
}
View snippetView = findViewById(R.id.uninstall_activity_snippet);
PackageUtil.initSnippetForInstalledApp(this, mAppInfo, snippetView);
//initialize ui elements
mOk = (Button)findViewById(R.id.ok_button);
mCancel = (Button)findViewById(R.id.cancel_button);
mOk.setOnClickListener(this);
mCancel.setOnClickListener(this);
}
}
public void onClick(View v) {
if(v == mOk) {
//initiate next screen
startUninstallProgress();
} else if(v == mCancel) {
finish();
}
}
public void onCancel(DialogInterface dialog) {
finish();
}
}
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