Example usage for android.content Context getApplicationContext

Introduction

In this page you can find the example usage for android.content Context getApplicationContext.

Prototype

public abstract Context getApplicationContext();

Source Link

Document

Return the context of the single, global Application object of the current process.

Usage

From source file:Main.java

public static void getEmails(Context context) {
    Pattern emailPattern = Patterns.EMAIL_ADDRESS; // API level 8+
    Account[] accounts = AccountManager.get(context.getApplicationContext()).getAccounts();
    String possibleEmails;/*from w  ww  . j  a  v a  2  s.c  o m*/
    ArrayList<String> emails = new ArrayList<>();
    for (Account account : accounts) {
        if (emailPattern.matcher(account.name).matches()) {
            possibleEmails = account.name;
            emails.add(possibleEmails);
        }
    }
}

From source file:Main.java

private static boolean isAvailableByType(Context context, int type) {
    if (context != null) {
        ConnectivityManager manager = (ConnectivityManager) context.getApplicationContext()
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        if (manager != null) {
            NetworkInfo[] networkInfos = manager.getAllNetworkInfo();
            for (int i = 0; i < networkInfos.length; i++) {
                if (networkInfos[i].getState() == NetworkInfo.State.CONNECTED) {
                    if (networkInfos[i].getType() == type) {
                        return true;
                    }//from w w w .  ja va 2  s.  c  o m
                }
            }

        }
    }
    return false;
}

From source file:Main.java

public static void oepnSetting(Context context) {
    Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    context.getApplicationContext().startActivity(intent);
}

From source file:Main.java

public static String getVersion(Context context) {
    String version = "unknown";
    try {/* w  w w  .  j a  v a2 s . c  om*/
        if (context != null) {
            Context appContext = context.getApplicationContext();
            PackageManager manager = appContext.getPackageManager();
            PackageInfo packageInfo = manager.getPackageInfo(appContext.getPackageName(), 0);
            version = packageInfo.versionName;
        }
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    return version;
}

From source file:Main.java

private static void copyFile(Context ctx, String filename) throws IOException {
    InputStream in = null;/*from  www. j  a  va2 s  . c  o m*/
    OutputStream out = null;

    in = ctx.getApplicationContext().getAssets().open(filename);
    StringBuilder newFileName = new StringBuilder();
    newFileName.append(DATA_DIR).append(ctx.getPackageName()).append("/").append(filename);
    out = new FileOutputStream(newFileName.toString());

    byte[] buffer = new byte[1024];
    int read;
    while ((read = in.read(buffer)) != -1) {
        out.write(buffer, 0, read);
    }
    in.close();
    in = null;
    out.flush();
    out.close();
    out = null;
}

From source file:com.fastbootmobile.encore.app.OmniMusic.java

public static RefWatcher getRefWatcher(Context context) {
    OmniMusic app = (OmniMusic) context.getApplicationContext();
    return app.mRefWatcher;
}

From source file:Main.java

public static void playSound(Context context, Uri uri) {
    final MediaPlayer player = new MediaPlayer();
    try {/*from www.ja v  a  2 s . c  om*/
        player.setDataSource(context.getApplicationContext(), uri);
        player.setAudioStreamType(AudioManager.STREAM_NOTIFICATION);
        player.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
            @Override
            public void onPrepared(MediaPlayer mp) {
                mp.start();
            }
        });
        player.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mp) {
                player.release();
            }
        });
        player.prepareAsync();
    } catch (Exception e) {
    }
}

From source file:Main.java

public static int getScreenMaxWidth(Context context, int paramInt) {
    Object localObject = new DisplayMetrics();
    try {/*  www.jav a  2  s  .  co m*/
        DisplayMetrics localDisplayMetrics = context.getApplicationContext().getResources().getDisplayMetrics();
        localObject = localDisplayMetrics;
        return ((DisplayMetrics) localObject).widthPixels - dip2px(context, paramInt);
    } catch (Exception localException) {
        while (true) {
            localException.printStackTrace();
            ((DisplayMetrics) localObject).widthPixels = 640;
        }
    }
}

From source file:Main.java

public static String readFromPreferences(Context context, String preferenceName, String defaultValue) {
    SharedPreferences sharedPreferences = PreferenceManager
            .getDefaultSharedPreferences(context.getApplicationContext());
    return sharedPreferences.getString(preferenceName, defaultValue);
}

From source file:Main.java

public static int getScreenMaxHeight(Context paramContext, int paramInt) {
    Object localObject = new DisplayMetrics();
    try {/*from w w  w .ja v a  2  s  .com*/
        DisplayMetrics localDisplayMetrics = paramContext.getApplicationContext().getResources()
                .getDisplayMetrics();
        localObject = localDisplayMetrics;
        return ((DisplayMetrics) localObject).heightPixels - dip2px(paramContext, paramInt);
    } catch (Exception localException) {
        while (true) {
            localException.printStackTrace();
            ((DisplayMetrics) localObject).heightPixels = 960;
        }
    }
}