Lautlosmodus Schalter APP Fehler

package com.developerstudio.profileassistant;

import android.app.Activity;
import android.app.IntentService;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.media.AudioManager;
import android.widget.RemoteViews;


public class AppWidget extends AppWidgetProvider {

    @Override
    public void onReceive(Context ctxt, Intent intent) {

        if (intent.getAction() == null) {
            ctxt.startService(new Intent(ctxt, ToggleService.class));
        } else {
            super.onReceive(ctxt, intent);
        }
    }
    
    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        context.startService(new Intent(context, ToggleService.class));
    }

    
    public static class ToggleService extends IntentService {
        
        public ToggleService() {
            super(ToggleService.class.getName());
        }
    
    @Override
    protected void onHandleIntent(Intent intent) {
        ComponentName me = new ComponentName(this, AppWidget.class);
        AppWidgetManager mgr = AppWidgetManager.getInstance(this);
        mgr.updateAppWidget(me, buildUpdate(this));
    }
    
    private RemoteViews buildUpdate(Context context) {
        RemoteViews updateViews = new RemoteViews(context.getPackageName(), R.layout.widget);

        AudioManager audioManager = (AudioManager) context.getSystemService(Activity.AUDIO_SERVICE);
        
        if (audioManager.getRingerMode() == AudioManager.RINGER_MODE_SILENT) {
            updateViews.setImageViewResource(R.id.phoneState, R.drawable.phone_state_vibrate);
            audioManager.setRingerMode(AudioManager.RINGER_MODE_VIBRATE);
        } else if (audioManager.getRingerMode() == AudioManager.RINGER_MODE_VIBRATE){
            updateViews.setImageViewResource(R.id.phoneState, R.drawable.phone_state_normal);
            audioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
        } else if (audioManager.getRingerMode() == AudioManager.RINGER_MODE_NORMAL){
            updateViews.setImageViewResource(R.id.phoneState, R.drawable.phone_state_silent);
            audioManager.setRingerMode(AudioManager.RINGER_MODE_SILENT);
        }

        Intent i = new Intent(this, AppWidget.class);
        PendingIntent pi = PendingIntent.getBroadcast(context, 0, i, 0);
        updateViews.setOnClickPendingIntent(R.id.phoneState, pi);

        return updateViews;

    }
}
}

package com.developerstudio.profileassistant;

import android.graphics.drawable.Drawable;
import android.media.AudioManager;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;

import com.google.android.gms.ads.*;

public class MainActivity extends Activity {

    private AudioManager mAudioManager;
    private int mPhoneIsMode;
    private AdView adView;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_main);
        
        // Create the adView.
        adView = new AdView(this);
        adView.setAdUnitId("");
        adView.setAdSize(AdSize.BANNER);

        // Lookup your LinearLayout assuming it's been given
        // the attribute android:id="@+id/mainLayout".
        LinearLayout layout = (LinearLayout)findViewById(R.id.mainLayout);

        // Add the adView to it.
        layout.addView(adView);

        // Initiate a generic request.
        AdRequest adRequest = new AdRequest.Builder().build();

        // Load the adView with the ad request.
        adView.loadAd(adRequest);


        
        mAudioManager = (AudioManager)getSystemService(AUDIO_SERVICE);
        
        checkPhoneMode();
        
        setButtonClickListener();
    }
    
    private void setButtonClickListener() {
        Button toggleButton = (Button)findViewById(R.id.toggleButton);
        toggleButton.setOnClickListener(new View.OnClickListener() {
                public void onClick(View v) {

                    if (mPhoneIsMode == 0) {
                        // Umschalten in Lautlosmodus
                        mAudioManager.setRingerMode(AudioManager.RINGER_MODE_VIBRATE);
                        mPhoneIsMode = 1;
                    } else if (mPhoneIsMode == 1){
                        // Umschalten in Vibrationsmodus
                        mAudioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
                        mPhoneIsMode = 2;
                    } else if (mPhoneIsMode == 2){
                        // Umschalten in Normal Modus
                        mAudioManager.setRingerMode(AudioManager.RINGER_MODE_SILENT);
                        mPhoneIsMode = 0;
                    }
                    
                    // UI wieder umschaltern
                    toggleUi();
                }
        });
    }

    /**
     * Feststellen, ob sich Telefon im Lautlosmodus befindet.
     */
    private void checkPhoneMode() {
        int ringerMode = mAudioManager.getRingerMode();
        if (ringerMode == AudioManager.RINGER_MODE_SILENT) {
            mPhoneIsMode = 0;
        } else if (ringerMode == AudioManager.RINGER_MODE_VIBRATE) {
            mPhoneIsMode = 1;
        } else {
            mPhoneIsMode = 2;
        }    
    }
    
    /**
     * UI_Bilder der Modi(Lautlos/Normal) austauschen.
     */
    private void toggleUi() {
        
        ImageView imageView = (ImageView)findViewById(R.id.phone_icon);
        Drawable newPhoneImage;
        
        if (mPhoneIsMode == 0) {
            newPhoneImage =
                getResources().getDrawable(R.drawable.phone_silent);
        } else if (mPhoneIsMode == 1) {
            newPhoneImage =
                getResources().getDrawable(R.drawable.phone_vibrate);
        } else {
            newPhoneImage =
                    getResources().getDrawable(R.drawable.phone_on);
        }
        
        imageView.setImageDrawable(newPhoneImage);
    }
    
    @Override
      public void onPause() {
        adView.pause();
        super.onPause();
      }
    
    @Override
    protected void onResume() {
        super.onResume();
        checkPhoneMode();
        toggleUi();
        adView.resume();
    }
    
    @Override
      public void onDestroy() {
        adView.destroy();
        super.onDestroy();
      }

}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:ads="http://schemas.android.com/apk/res-auto"
    android:id="@+id/mainLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ffffff"
    android:gravity="bottom"
    android:orientation="vertical"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <ImageView
        android:id="@+id/phone_icon"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:src="@drawable/phone_on" />

    <Button
        android:id="@+id/toggleButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:text="Profile umschalten" />
    
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<appwidget-provider
  xmlns:android="http://schemas.android.com/apk/res/android"
    android:minWidth="79px"
    android:minHeight="79px"
    android:updatePeriodMillis="20000"
    android:initialLayout="@layout/widget"
  />

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >
    <ImageView android:id="@+id/phoneState"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:layout_centerInParent="true"
        android:src="@drawable/ic_launcher"
        android:clickable="true" />
</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.developerstudio.profileassistant"
    android:versionCode="1"
    android:versionName="1.0" >
    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="19" />
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme">
        <meta-data android:name="com.google.android.gms.version"
                   android:value="@integer/google_play_services_version"/> 
        <activity
            android:name="com.developerstudio.profileassistant.MainActivity"
            android:label="@string/app_name"
            android:screenOrientation="portrait" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name="com.google.android.gms.ads.AdActivity"
                  android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"/>
        <receiver android:name=".AppWidget"
            android:label="@string/app_name"
            android:icon="@drawable/ic_launcher" >
            <intent-filter>
                <action 
                    android:name="android.appwidget.action.APPWIDGET_UPDATE"/>
                
            </intent-filter>
           <meta-data
               android:name="android.appwidget.provider"
               android:resource="@xml/provider" />
           </receiver>
           <service android:name=".AppWidget$ToggleService"/>
    </application>
      <uses-permission android:name="android.permission.INTERNET"/>
      <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
</manifest>