Android Open Source - pebblekit-android-example Main Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.getpebble.pebblekitexample;
// ww w. j  a  v a2 s. c om
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.UUID;

import android.app.ActionBar;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.ColorDrawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

import com.getpebble.android.kit.PebbleKit;
import com.getpebble.android.kit.PebbleKit.PebbleDataReceiver;
import com.getpebble.android.kit.util.PebbleDictionary;

public class MainActivity extends Activity {
  
  private static final UUID WATCHAPP_UUID = UUID.fromString("6092637b-8f58-4199-94d8-c606b1e45040");
  private static final String WATCHAPP_FILENAME = "android-example.pbw";
  
  private static final int
    KEY_BUTTON = 0,
    KEY_VIBRATE = 1,
    BUTTON_UP = 0,
    BUTTON_SELECT = 1,
    BUTTON_DOWN = 2;
  
  private Handler handler = new Handler();
  private PebbleDataReceiver appMessageReciever;
  private TextView whichButtonView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    
    // Customize ActionBar
    ActionBar actionBar = getActionBar();
    actionBar.setTitle("PebbleKit Example");
    actionBar.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.actionbar_orange)));
    
    // Add Install Button behavior
    Button installButton = (Button)findViewById(R.id.button_install);
    installButton.setOnClickListener(new OnClickListener() {
      
      @Override
      public void onClick(View v) {
        //Install 
        Toast.makeText(getApplicationContext(), "Installing watchapp...", Toast.LENGTH_SHORT).show();
        sideloadInstall(getApplicationContext(), WATCHAPP_FILENAME);
      }
      
    });
    
    // Add vibrate Button behavior
    Button vibrateButton = (Button)findViewById(R.id.button_vibrate);
    vibrateButton.setOnClickListener(new OnClickListener() {
      
      @Override
      public void onClick(View v) {
        // Send KEY_VIBRATE to Pebble
        PebbleDictionary out = new PebbleDictionary();
        out.addInt32(KEY_VIBRATE, 0);
        PebbleKit.sendDataToPebble(getApplicationContext(), WATCHAPP_UUID, out);
      }
      
    });
    
    // Add output TextView behavior
    whichButtonView = (TextView)findViewById(R.id.which_button);
  }
  
  @Override
  protected void onResume() {
    super.onResume();
    
    // Define AppMessage behavior
    if(appMessageReciever == null) {
      appMessageReciever = new PebbleDataReceiver(WATCHAPP_UUID) {
        
        @Override
        public void receiveData(Context context, int transactionId, PebbleDictionary data) {
          // Always ACK
          PebbleKit.sendAckToPebble(context, transactionId);
          
          // What message was received?
          if(data.getInteger(KEY_BUTTON) != null) {
            // KEY_BUTTON was received, determine which button
            final int button = data.getInteger(KEY_BUTTON).intValue();
            
            // Update UI on correct thread
            handler.post(new Runnable() {
              
              @Override
              public void run() {
                switch(button) {
                case BUTTON_UP:
                  whichButtonView.setText("UP");
                  break;
                case BUTTON_SELECT:
                  whichButtonView.setText("SELECT");
                  break;
                case BUTTON_DOWN:
                  whichButtonView.setText("DOWN");
                  break;
                default:
                  Toast.makeText(getApplicationContext(), "Unknown button: " + button, Toast.LENGTH_SHORT).show();
                  break;
                }
              }
              
            });
          } 
        }
      };
    
      // Add AppMessage capabilities
      PebbleKit.registerReceivedDataHandler(this, appMessageReciever);
    }
  }
  
  @Override
  protected void onPause() {
    super.onPause();
    
    // Unregister AppMessage reception
    if(appMessageReciever != null) {
      unregisterReceiver(appMessageReciever);
      appMessageReciever = null;
    }
  }
  
  /**
     * Alternative sideloading method
     * Source: http://forums.getpebble.com/discussion/comment/103733/#Comment_103733 
     */
    public static void sideloadInstall(Context ctx, String assetFilename) {
        try {
            // Read .pbw from assets/
          Intent intent = new Intent(Intent.ACTION_VIEW);    
            File file = new File(ctx.getExternalFilesDir(null), assetFilename);
            InputStream is = ctx.getResources().getAssets().open(assetFilename);
            OutputStream os = new FileOutputStream(file);
            byte[] pbw = new byte[is.available()];
            is.read(pbw);
            os.write(pbw);
            is.close();
            os.close();
             
            // Install via Pebble Android app
            intent.setDataAndType(Uri.fromFile(file), "application/pbw");
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            ctx.startActivity(intent);
        } catch (IOException e) {
            Toast.makeText(ctx, "App install failed: " + e.getLocalizedMessage(), Toast.LENGTH_LONG).show();
        }
    }

}

Java Source Code List

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