Android Open Source - android-Notifier History

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License

The source code is released under:

GNU General Public License

Java Source Code

package rickflail.messaging.notifier;
//w w  w .  j a  va  2s  .  c o  m
import android.os.Bundle;
import android.app.AlertDialog;
import android.app.NotificationManager;
import android.content.BroadcastReceiver;
import android.content.ContentValues;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.view.Gravity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.Window;
import android.widget.ListView;
import android.widget.TextView;
import android.database.Cursor;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v4.widget.SimpleCursorAdapter;

import com.google.android.gcm.GCMRegistrar;

public class History extends FragmentActivity implements LoaderManager.LoaderCallbacks<Cursor> {
  
  SimpleCursorAdapter mAdapter;
  SharedPreferences prefs;
  LoaderManager manager;
  
  ListView messageList;
  TextView emptyView;
  
  Intent settingsIntent;
  
  AlertDialog clearConfirm;
  
  private final BroadcastReceiver messageReceiver =
            new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
        History.this.getSupportLoaderManager().restartLoader(0, null, History.this);
        this.abortBroadcast();
        }
    };

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        
        setContentView(R.layout.activity_history);
        
        settingsIntent = new Intent(this, Settings.class);
        
    GCMRegistrar.checkDevice(this);
    
    String[] fromColumns = { "title", "message", "link" };
    int[] toViews = { R.id.text1, R.id.text2, R.id.button1 };
    
    mAdapter = new MessageCursorAdapter(this, R.layout.complex_list_item, null, fromColumns, toViews, 0) {
      public boolean isEnabled(int position) {
        return false;
      }
    };
    
    emptyView = new TextView(this);
    emptyView.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT,
                LayoutParams.WRAP_CONTENT));
    emptyView.setGravity(Gravity.CENTER_HORIZONTAL);
    emptyView.setPadding(0, getResources().getDimensionPixelSize(R.dimen.padding_large), 0, 0);
    emptyView.setTextSize(18);
    emptyView.setText(getString(R.string.loading));
    
    messageList = (ListView) findViewById(R.id.messageList);
    messageList.setAdapter(mAdapter);
    messageList.setVerticalFadingEdgeEnabled(true);
    messageList.setClickable(false);
    messageList.setEmptyView(emptyView);
    
    ViewGroup root = (ViewGroup) findViewById(android.R.id.content);
        root.addView(emptyView);
    
    getSupportLoaderManager().initLoader(0, null, this);
    
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setMessage("Are you sure you want to clear?");
    builder.setCancelable(true);
    builder.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int id) {
        getContentResolver().delete(MessageProvider.CONTENT_URI, null, null);
            History.this.getSupportLoaderManager().restartLoader(0, null, History.this);
      }
    });
    builder.setNegativeButton("No", new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int id) {
        dialog.cancel();
      }
    });
    clearConfirm = builder.create();
    }
    
    @Override
    public void onPause() {
      this.unregisterReceiver(messageReceiver);
      
      super.onPause();
    }
    
    @Override
    public void onResume() {
      super.onResume();
      
      NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
      notificationManager.cancelAll();
      
      IntentFilter filter = new IntentFilter(getString(R.string.update_intent));
      filter.setPriority(1);
      this.registerReceiver(messageReceiver, filter);
      
      if (!Registration.IsRegistered(this)) {
        Registration.RegisterAsync(this, false);
      }
    
    getSupportLoaderManager().restartLoader(0, null, this);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_history, menu);
        return true;
    }
    
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == R.id.menu_clear) {
          clearConfirm.show();
        } else if (item.getItemId() == R.id.menu_settings) {
          startActivity(settingsIntent);
          return true;
        }
        
        return super.onOptionsItemSelected(item);
    }
    
    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
      return new CursorLoader(this, MessageProvider.CONTENT_URI, null, null, null, "timestamp DESC");
    }
    
    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
      mAdapter.swapCursor(data);
      messageList.smoothScrollToPosition(0);
      
      if (data.getCount() == 0) {
        emptyView.setText(getString(R.string.no_messages));
      } else {
        ContentValues values = new ContentValues();
      values.put("viewed", 1);
      getContentResolver().update(MessageProvider.CONTENT_URI, values, null, null);
      }
    }
    
    public void onLoaderReset(Loader<Cursor> loader) {
      emptyView.setText(getString(R.string.loading));
      mAdapter.swapCursor(null);
    }
    
}

Java Source Code List

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