1 files changed, 158 insertions, 0 deletions
diff --git a/src/com/android/packageinstaller/UninstallerActivity.java b/src/com/android/packageinstaller/UninstallerActivity.java
new file mode 100755
index 00000000..fa1c7afc
--- /dev/null
+++ b/src/com/android/packageinstaller/UninstallerActivity.java
@@ -0,0 +1,158 @@
+/*
+**
+** 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 com.android.packageinstaller.R;
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.view.Window;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.content.pm.PackageManager.NameNotFoundException;
+
+/*
+ * 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 {
+    private static final String TAG = "UninstallerActivity";
+    private boolean localLOGV = false;
+    //states indicating status of ui display when uninstalling application
+    private static final int UNINSTALL_CONFIRM=1;
+    private static final int UNINSTALL_PROGRESS=2;
+    private static final int UNINSTALL_DONE=3;
+    private int mCurrentState = UNINSTALL_CONFIRM;
+    PackageManager mPm;
+    private ApplicationInfo mAppInfo;
+    private Button mOk;
+    private Button mCancel;
+    
+    private void startUninstallProgress() {
+        Intent newIntent = new Intent(Intent.ACTION_VIEW);
+        newIntent.putExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO, 
+                                                  mAppInfo);
+        newIntent.setClass(this, UninstallAppProgress.class);
+        startActivityForResult(newIntent, UNINSTALL_PROGRESS);
+    }
+    
+    private void startUninstallDone(boolean result) {
+        Intent newIntent = new Intent(Intent.ACTION_VIEW);
+        newIntent.putExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO, 
+                                                  mAppInfo);
+        newIntent.putExtra(PackageUtil.INTENT_ATTR_INSTALL_STATUS, result);
+        newIntent.setClass(this, UninstallAppDone.class);
+        startActivityForResult(newIntent, UNINSTALL_DONE);
+    }
+    
+    private void displayErrorDialog(int msgId) {
+        //display confirmation dialog
+        new AlertDialog.Builder(this)
+        .setTitle(getString(R.string.app_not_found_dlg_title))
+        .setIcon(com.android.internal.R.drawable.ic_dialog_alert)
+        .setMessage(getString(msgId))
+        .setNeutralButton(getString(R.string.dlg_ok), 
+                new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int which) {
+                        //force to recompute changed value
+                        finish();
+                    }
+                }
+        )
+        .show();
+    }
+        
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        //get intent information
+        final Intent intent = getIntent();
+        Uri packageURI = intent.getData();
+        String packageName = packageURI.getEncodedSchemeSpecificPart();
+        if(packageName == null) {
+            Log.e(TAG, "Invalid package name:"+packageName);
+            displayErrorDialog(R.string.app_not_found_dlg_text);
+            return;
+        }
+        //initialize package manager
+        mPm = getPackageManager();
+        boolean errFlag = false;
+        try {
+            mAppInfo = mPm.getApplicationInfo(packageName, 0);
+        } catch (NameNotFoundException e) {
+            errFlag = true;
+        }
+        if(mAppInfo == null || errFlag) {
+            Log.e(TAG, "Invalid application:"+packageName);
+            displayErrorDialog(R.string.app_not_found_dlg_text);
+        } else {
+            requestWindowFeature(Window.FEATURE_NO_TITLE);
+            //set view
+            setContentView(R.layout.uninstall_confirm);
+            PackageUtil.initAppSnippet(this, mAppInfo, R.id.app_snippet);
+            //initialize ui elements
+            mOk = (Button)findViewById(R.id.ok_button);
+            mCancel = (Button)findViewById(R.id.cancel_button);
+            mOk.setOnClickListener(this);
+            mCancel.setOnClickListener(this);
+        }
+    }
+    
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        boolean finish = true;
+        switch(requestCode) {
+        case UNINSTALL_PROGRESS:
+            finish = false;
+            mCurrentState = UNINSTALL_DONE;
+            //start the next screen to show final status of installation
+            startUninstallDone(resultCode==UninstallAppProgress.SUCCEEDED);
+            break;
+        case UNINSTALL_DONE:
+            //neednt check for result code here
+            break;
+        default:
+            break;
+        }
+        if(finish) {
+            //finish off this activity to return to the previous activity that launched it
+            Log.i(TAG, "Finishing off activity");
+            finish();
+        }
+    }
+    
+    private void finishAndReturn() {
+        finish();
+    }
+    
+    public void onClick(View v) {
+        if(v == mOk) {
+            //initiate next screen
+            startUninstallProgress();
+        } else if(v == mCancel) {
+            finishAndReturn();
+        }
+    }
+}