Move packages between candidate volumes.

We now allow moving packages between all possible candidate volumes,
as determined by the framework.  Moving now jumps through wizard to
help user understand what's going on.

Bug: 19993667
Change-Id: I5416ed2865f400b1d718c68a3f0e033080fefa0e

src/com/android/settings/deviceinfo/StorageWizardMoveProgress.java

@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2015 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.settings.deviceinfo;
+
+import static com.android.settings.deviceinfo.StorageSettings.TAG;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.IPackageMoveObserver;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.os.storage.VolumeInfo;
+import android.util.Log;
+import android.view.View;
+import android.widget.Toast;
+
+import com.android.internal.util.Preconditions;
+import com.android.settings.R;
+
+import java.util.concurrent.CountDownLatch;
+
+public class StorageWizardMoveProgress extends StorageWizardBase {
+    private String mPackageName;
+    private ApplicationInfo mApp;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.storage_wizard_progress);
+
+        try {
+            mPackageName = getIntent().getStringExtra(Intent.EXTRA_PACKAGE_NAME);
+            mApp = getPackageManager().getApplicationInfo(mPackageName, 0);
+        } catch (NameNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+
+        Preconditions.checkNotNull(mVolume);
+        Preconditions.checkNotNull(mApp);
+
+        final String appName = getPackageManager().getApplicationLabel(mApp).toString();
+        final String volumeName = mStorage.getBestVolumeDescription(mVolume);
+
+        setHeaderText(R.string.storage_wizard_move_progress_title, appName);
+        setBodyText(R.string.storage_wizard_move_progress_body, volumeName, appName);
+
+        setCurrentProgress(20);
+
+        getNextButton().setVisibility(View.GONE);
+
+        new MoveTask().execute();
+    }
+
+    private CharSequence moveStatusToMessage(int returnCode) {
+        switch (returnCode) {
+            case PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE:
+                return getString(R.string.insufficient_storage);
+            case PackageManager.MOVE_FAILED_DOESNT_EXIST:
+                return getString(R.string.does_not_exist);
+            case PackageManager.MOVE_FAILED_FORWARD_LOCKED:
+                return getString(R.string.app_forward_locked);
+            case PackageManager.MOVE_FAILED_INVALID_LOCATION:
+                return getString(R.string.invalid_location);
+            case PackageManager.MOVE_FAILED_SYSTEM_PACKAGE:
+                return getString(R.string.system_package);
+            case PackageManager.MOVE_FAILED_INTERNAL_ERROR:
+            default:
+                return getString(R.string.insufficient_storage);
+        }
+    }
+
+    private class LocalPackageMoveObserver extends IPackageMoveObserver.Stub {
+        public int returnCode;
+        public CountDownLatch finished = new CountDownLatch(1);
+
+        @Override
+        public void packageMoved(String packageName, int returnCode) throws RemoteException {
+            this.returnCode = returnCode;
+            this.finished.countDown();
+        }
+    }
+
+    public class MoveTask extends AsyncTask<Void, Void, Integer> {
+        @Override
+        protected Integer doInBackground(Void... params) {
+            try {
+                final LocalPackageMoveObserver observer = new LocalPackageMoveObserver();
+
+                if (mApp.isExternalAsec()) {
+                    getPackageManager().movePackage(mPackageName, observer,
+                            PackageManager.MOVE_INTERNAL);
+                } else if (mVolume.getType() == VolumeInfo.TYPE_PUBLIC) {
+                    getPackageManager().movePackage(mPackageName, observer,
+                            PackageManager.MOVE_EXTERNAL_MEDIA);
+                } else {
+                    getPackageManager().movePackageAndData(mPackageName, mVolume.fsUuid, observer);
+                }
+
+                observer.finished.await();
+                return observer.returnCode;
+            } catch (Exception e) {
+                Log.e(TAG, "Failed to move", e);
+                return PackageManager.MOVE_FAILED_INTERNAL_ERROR;
+            }
+        }
+
+        @Override
+        protected void onPostExecute(Integer returnCode) {
+            final Context context = StorageWizardMoveProgress.this;
+            if (returnCode == PackageManager.MOVE_SUCCEEDED) {
+                finishAffinity();
+
+            } else {
+                Log.w(TAG, "Move failed with status " + returnCode);
+                Toast.makeText(context, moveStatusToMessage(returnCode), Toast.LENGTH_LONG).show();
+                finishAffinity();
+            }
+        }
+    }
+}