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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.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.IPackageDeleteObserver;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;
/**
* This activity corresponds to a download progress screen that is displayed
* when an application is uninstalled. The result of the application uninstall
* is indicated in the result code that gets set to 0 or 1. The application gets launched
* by an intent with the intent's class name explicitly set to UninstallAppProgress and expects
* the application object of the application to uninstall.
*/
public class UninstallAppProgress extends Activity implements OnClickListener {
private final String TAG="UninstallAppProgress";
private boolean localLOGV = false;
private ApplicationInfo mAppInfo;
private TextView mStatusTextView;
private Button mOkButton;
private ProgressBar mProgressBar;
private View mOkPanel;
private volatile int mResultCode = -1;
private final int UNINSTALL_COMPLETE = 1;
public final static int SUCCEEDED=1;
public final static int FAILED=0;
private Handler mHandler = new Handler() {
public void handleMessage(Message msg) {
switch (msg.what) {
case UNINSTALL_COMPLETE:
mResultCode = msg.arg1;
// Update the status text
if (msg.arg1 == SUCCEEDED) {
mStatusTextView.setText(R.string.uninstall_done);
} else {
mStatusTextView.setText(R.string.uninstall_failed);
}
mProgressBar.setVisibility(View.INVISIBLE);
// Show the ok button
mOkPanel.setVisibility(View.VISIBLE);
break;
default:
break;
}
}
};
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
Intent intent = getIntent();
mAppInfo = intent.getParcelableExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO);
initView();
}
class PackageDeleteObserver extends IPackageDeleteObserver.Stub {
public void packageDeleted(String packageName, int returnCode) {
Message msg = mHandler.obtainMessage(UNINSTALL_COMPLETE);
msg.arg1 = returnCode == PackageManager.DELETE_SUCCEEDED ? SUCCEEDED : FAILED;
mHandler.sendMessage(msg);
}
}
void setResultAndFinish(int retCode) {
setResult(retCode);
finish();
}
public void initView() {
boolean isUpdate = ((mAppInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0);
setTitle(isUpdate ? R.string.uninstall_update_title : R.string.uninstall_application_title);
setContentView(R.layout.uninstall_progress);
// Initialize views
View snippetView = findViewById(R.id.app_snippet);
PackageUtil.initSnippetForInstalledApp(this, mAppInfo, snippetView);
mStatusTextView = (TextView)findViewById(R.id.center_text);
mStatusTextView.setText(R.string.uninstalling);
mProgressBar = (ProgressBar) findViewById(R.id.progress_bar);
mProgressBar.setIndeterminate(true);
// Hide button till progress is being displayed
mOkPanel = (View)findViewById(R.id.ok_panel);
mOkButton = (Button)findViewById(R.id.ok_button);
mOkButton.setOnClickListener(this);
mOkPanel.setVisibility(View.INVISIBLE);
PackageDeleteObserver observer = new PackageDeleteObserver();
getPackageManager().deletePackage(mAppInfo.packageName, observer, 0);
}
public void onClick(View v) {
if(v == mOkButton) {
Log.i(TAG, "Finished uninstalling pkg: " + mAppInfo.packageName);
setResultAndFinish(mResultCode);
}
}
@Override
public boolean dispatchKeyEvent(KeyEvent ev) {
if (ev.getKeyCode() == KeyEvent.KEYCODE_BACK) {
if (mResultCode == -1) {
// Ignore back key when installation is in progress
return true;
} else {
// If installation is done, just set the result code
setResult(mResultCode);
}
}
return super.dispatchKeyEvent(ev);
}
}
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