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Add facility to disable system packages.

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Change-Id: I762c76993e0f88d255dfc04acbea6c6adea7103d
This commit is contained in:
Dianne Hackborn
2010-07-24 16:50:04 -07:00
parent cbaf6ceb8e
commit 9db5ee35d5
4 changed files with 128 additions and 33 deletions
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115
src/com/android/settings/applications/InstalledAppDetails.java
View File

@@ -1,5 +1,3 @@
/**
* Copyright (C) 2007 The Android Open Source Project
*
@@ -42,8 +40,10 @@ import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageParser;
import android.content.pm.PackageStats;
import android.content.pm.ResolveInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
@@ -53,6 +53,8 @@ import android.os.ServiceManager;
import android.os.storage.IMountService;
import android.text.format.Formatter;
import android.util.Log;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;
import android.content.ComponentName;
@@ -74,7 +76,6 @@ import android.widget.TextView;
*/
public class InstalledAppDetails extends Activity implements View.OnClickListener {
private static final String TAG="InstalledAppDetails";
private static final int _UNKNOWN_APP=R.string.unknown;
private ApplicationInfo mAppInfo;
private Button mUninstallButton;
private boolean mMoveInProgress = false;
@@ -281,11 +282,39 @@ public class InstalledAppDetails extends Activity implements View.OnClickListene
if (mUpdatedSysApp) {
mUninstallButton.setText(R.string.app_factory_reset);
} else {
if ((mAppInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0){
// Disable button for system applications.
if ((mAppInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
enabled = false;
try {
// Try to prevent the user from bricking their phone
// by not allowing disabling of apps signed with the
// system cert and any launcher app in the system.
PackageInfo pi = mPm.getPackageInfo(mAppInfo.packageName,
PackageManager.GET_DISABLED_COMPONENTS |
PackageManager.GET_UNINSTALLED_PACKAGES |
PackageManager.GET_SIGNATURES);
PackageInfo sys = mPm.getPackageInfo("android",
PackageManager.GET_SIGNATURES);
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
intent.setPackage(mAppInfo.packageName);
List<ResolveInfo> homes = mPm.queryIntentActivities(intent, 0);
if ((homes != null && homes.size() > 0)
|| sys.signatures[0].equals(pi.signatures[0])) {
// Disable button for core system applications.
mUninstallButton.setText(R.string.disable_text);
} else if (mAppInfo.enabled) {
mUninstallButton.setText(R.string.disable_text);
enabled = true;
} else {
mUninstallButton.setText(R.string.enable_text);
enabled = true;
}
} catch (PackageManager.NameNotFoundException e) {
Log.w(TAG, "Unable to get package info", e);
}
} else {
mUninstallButton.setText(R.string.uninstall_text);
}
mUninstallButton.setText(R.string.uninstall_text);
}
mUninstallButton.setEnabled(enabled);
if (enabled) {
@@ -521,6 +550,7 @@ public class InstalledAppDetails extends Activity implements View.OnClickListene
} else {
mClearDataButton.setEnabled(true);
}
checkForceStop();
}
private void refreshButtons() {
@@ -642,13 +672,13 @@ public class InstalledAppDetails extends Activity implements View.OnClickListene
}
})
.create();
case DLG_FORCE_STOP:
return new AlertDialog.Builder(this)
.setTitle(getString(R.string.force_stop_dlg_title))
.setIcon(android.R.drawable.ic_dialog_alert)
.setMessage(getString(R.string.force_stop_dlg_text))
.setPositiveButton(R.string.dlg_ok,
new DialogInterface.OnClickListener() {
case DLG_FORCE_STOP:
return new AlertDialog.Builder(this)
.setTitle(getString(R.string.force_stop_dlg_title))
.setIcon(android.R.drawable.ic_dialog_alert)
.setMessage(getString(R.string.force_stop_dlg_text))
.setPositiveButton(R.string.dlg_ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// Force stop
forceStopPackage(mAppInfo.packageName);
@@ -656,15 +686,15 @@ public class InstalledAppDetails extends Activity implements View.OnClickListene
})
.setNegativeButton(R.string.dlg_cancel, null)
.create();
case DLG_MOVE_FAILED:
CharSequence msg = getString(R.string.move_app_failed_dlg_text,
getMoveErrMsg(mMoveErrorCode));
return new AlertDialog.Builder(this)
.setTitle(getString(R.string.move_app_failed_dlg_title))
.setIcon(android.R.drawable.ic_dialog_alert)
.setMessage(msg)
.setNeutralButton(R.string.dlg_ok, null)
.create();
case DLG_MOVE_FAILED:
CharSequence msg = getString(R.string.move_app_failed_dlg_text,
getMoveErrMsg(mMoveErrorCode));
return new AlertDialog.Builder(this)
.setTitle(getString(R.string.move_app_failed_dlg_title))
.setIcon(android.R.drawable.ic_dialog_alert)
.setMessage(msg)
.setNeutralButton(R.string.dlg_ok, null)
.create();
}
return null;
}
@@ -701,6 +731,36 @@ public class InstalledAppDetails extends Activity implements View.OnClickListene
Activity.RESULT_CANCELED, null, null);
}
static class DisableChanger extends AsyncTask<Object, Object, Object> {
final PackageManager mPm;
final WeakReference<InstalledAppDetails> mActivity;
final ApplicationInfo mInfo;
final int mState;
DisableChanger(InstalledAppDetails activity, ApplicationInfo info, int state) {
mPm = activity.mPm;
mActivity = new WeakReference<InstalledAppDetails>(activity);
mInfo = info;
mState = state;
}
@Override
protected Object doInBackground(Object... params) {
mPm.setApplicationEnabledSetting(mInfo.packageName, mState, 0);
return null;
}
@Override
protected void onPostExecute(Object result) {
InstalledAppDetails activity = mActivity.get();
if (activity != null) {
activity.initAppInfo(mInfo.packageName);
activity.checkForceStop();
activity.refreshButtons();
}
}
}
/*
* Method implementing functionality of buttons clicked
* @see android.view.View.OnClickListener#onClick(android.view.View)
@@ -711,7 +771,13 @@ public class InstalledAppDetails extends Activity implements View.OnClickListene
if (mUpdatedSysApp) {
showDialogInner(DLG_FACTORY_RESET);
} else {
uninstallPkg(packageName);
if ((mAppInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
new DisableChanger(this, mAppInfo, mAppInfo.enabled ?
PackageManager.COMPONENT_ENABLED_STATE_DISABLED
: PackageManager.COMPONENT_ENABLED_STATE_DEFAULT).execute((Object)null);
} else {
uninstallPkg(packageName);
}
}
} else if(v == mActivitiesButton) {
mPm.clearPackagePreferredActivities(packageName);
@@ -731,7 +797,8 @@ public class InstalledAppDetails extends Activity implements View.OnClickListene
}
mPm.deleteApplicationCacheFiles(packageName, mClearCacheObserver);
} else if (v == mForceStopButton) {
forceStopPackage(mAppInfo.packageName);
showDialogInner(DLG_FORCE_STOP);
//forceStopPackage(mAppInfo.packageName);
} else if (v == mMoveAppButton) {
if (mPackageMoveObserver == null) {
mPackageMoveObserver = new PackageMoveObserver();