Java 类android.app.backup.RestoreObserver 实例源码

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case R.id.create:
            createTestFiles();
            break;
        case R.id.restore:
            new BackupManager(this).requestRestore(new RestoreObserver() {
                @Override
                public void restoreFinished(int error) {
                    if (error == 0) {
                        Toast.makeText(MainActivity.this, R.string.files_restored, Toast.LENGTH_SHORT).show();
                    } else {
                        Toast.makeText(MainActivity.this, getString(R.string.restore_failed, error), Toast.LENGTH_SHORT).show();
                    }
                }
            });
            break;
    }

    return super.onOptionsItemSelected(item);
}

/**
 * Click handler, designated in the layout, that runs a restore of the app's
 * most recent data when the button is pressed.
 */
public void onRestoreButtonClick(View v) {
    Log.v(TAG, "Requesting restore of our most recent data");
    BackupManager mBackupManager = new BackupManager(this);
    mBackupManager.requestRestore(new RestoreObserver() {
        public void restoreFinished(int error) {
            /** Done with the restore! Now draw the new state of our data */
            if (error == 0) {
                Log.v(TAG, "Restore finished, error = " + error);
                NotifToasts.showBackupRestored(GeoPingPrefActivity.this);
            } else {
                Log.e(TAG, "Restore finished with error = " + error);
            }
        }
    });
}

/**
 * Click handler, designated in the layout, that runs a restore of the app's
 * most recent data when the button is pressed.
 */
public void onRestoreButtonClick(View v) {
    Log.v(TAG, "Requesting restore of our most recent data");
    mBackupManager.requestRestore(
            new RestoreObserver() {
                public void restoreFinished(int error) {
                    /** Done with the restore!  Now draw the new state of our data */
                    Log.v(TAG, "Restore finished, error = " + error);
                    populateUI();
                }
            }
    );
}

public void requestRestore() {
    RestoreObserver restoreObserver = new RestoreObserver() {
        @Override
        public void onUpdate(int nowBeingRestored, String currentPackage) {
            super.onUpdate(nowBeingRestored, currentPackage);
        }
    };

    BackupManager bm = new BackupManager(this);
    bm.requestRestore(restoreObserver);
}

public void requestRestore() {
    RestoreObserver restoreObserver = new RestoreObserver() {
        @Override
        public void onUpdate(int nowBeingRestored, String currentPackage) {
            super.onUpdate(nowBeingRestored, currentPackage);
        }
    };

    BackupManager bm = new BackupManager(this);
    bm.requestRestore(restoreObserver);
}

@Override
public void onCreate() {
    super.onCreate();
    Long lastCheck = PreferenceManager.getDefaultSharedPreferences(getApplicationContext()).getLong("lastCheck", -1);
    if(lastCheck==-1){
        new BackupManager(getApplicationContext()).requestRestore(new RestoreObserver() {
            @Override
            public void restoreStarting(int numPackages) {
                super.restoreStarting(numPackages);


            }

            @Override
            public void onUpdate(int nowBeingRestored, String currentPackage) {
                super.onUpdate(nowBeingRestored, currentPackage);


            }

            @Override
            public void restoreFinished(int error) {
                super.restoreFinished(error);
                Log.i(Constants.LOG_TAG, "REstore finalizou " + error);
                Toast.makeText(getApplicationContext(), "Restoure completou " + error, Toast.LENGTH_SHORT).show();
                CrawlSMSInbox.startCrawlingSMSInbox(getApplicationContext());
            }
        });
    }else {
        CrawlSMSInbox.startCrawlingSMSInbox(getApplicationContext());
    }
}

private boolean requestRestore(Context ctx) {
    BackupManager bm = new BackupManager(ctx);
    RestoreObserver restoreObserver = new RestoreObserver() {

        @Override
        public void restoreStarting(int numPackages) {
            sRestoring = true;
            showNote(R.string.prog_SearchingForBackup);
        }

        @Override
        public void restoreFinished(int error) {
            sBackupExists = (error == 0);
            sRestoring = false;

            // we passed backup restore, now we can load databases...
            doUpgradeDatabaseInPlace();
        }
    };
    try {
        int res = bm.requestRestore(restoreObserver);
        return res == 0 ? true : false;
    } catch (NullPointerException e) {
        // catch failure of RestoreSession object to manage itself in the
        // following:
        // android.app.backup.RestoreSession.endRestoreSession(RestoreSession.java:162)
        // android.app.backup.BackupManager.requestRestore(BackupManager.java:154)
        return false;
    }
}

public void requestRestore() {
    Log.d(LOG_TAG, "request restore");

    BackupManager bm = new BackupManager(getActivity());
    bm.requestRestore(
            new RestoreObserver() {
                @Override
                public void restoreStarting(int numPackages) {
                    Log.d(LOG_TAG, "Restore from cloud starting.");
                    Log.d(LOG_TAG, "" + gameData.getTotalMoves());

                    super.restoreStarting(numPackages);
                }

                @Override
                public void onUpdate(int nowBeingRestored, String currentPackage) {
                    Log.d(LOG_TAG, "Restoring " + currentPackage);
                    super.onUpdate(nowBeingRestored, currentPackage);
                }

                @Override
                public void restoreFinished(int error) {
                    Log.d(LOG_TAG, "Restore from cloud finished.");

                    super.restoreFinished(error);
                    Log.d(LOG_TAG, "" + gameData.getTotalMoves());

                    Log.d(LOG_TAG, "calling load");
                    load();

                }
            });
}