Example usage for android.os Looper myLooper

Introduction

In this page you can find the example usage for android.os Looper myLooper.

Prototype

public static @Nullable Looper myLooper()

Source Link

Document

Return the Looper object associated with the current thread.

Usage

From source file:Main.java

public static void showToast(final Context context, Toast toast, final String s) {
    if (Looper.getMainLooper() == Looper.myLooper()) {
        hideToast();// ww w  .  j a  va 2 s. c  o  m
        toast.show();
        sToastRef = new SoftReference<Toast>(toast);
    } else {
        if (context instanceof Activity) {
            ((Activity) context).runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    showToast(context, s);
                }
            });
        }
    }
}

From source file:Main.java

public static boolean isMain() {
    return Looper.myLooper() == Looper.getMainLooper();
}

From source file:Main.java

/**
 * Helper to get the Activity result code.    This must only be called on the main thread.
 *
 * @param activity Activity whose result code is to be obtained.
 * @return Result code of the Activity./*from  w w w .j a va2 s  .c o m*/
 */
public static int getActivityResultCode(@NonNull final Activity activity) {
    if (activity == null) {
        throw new IllegalArgumentException("activity cannot be null"); //$NON-NLS-1$
    }

    if (Looper.getMainLooper() != Looper.myLooper()) {
        throw new AssertionError("Must only be called on the main thread");
    }

    /*
     * This is a hack to obtain the Activity result code. There is no official way to check this using the Android
     * testing frameworks, so accessing the internals of the Activity object is the only way. This could
     * break on newer versions of Android.
     */

    try {
        final Field resultCodeField = Activity.class.getDeclaredField("mResultCode"); //$NON-NLS-1$
        resultCodeField.setAccessible(true);
        return ((Integer) resultCodeField.get(activity)).intValue();
    } catch (final Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

/**
 * Helper to get the Activity result Intent.  This must only be called on the main thread.
 *
 * @param activity Activity whose result Intent is to be obtained.
 * @return Result Intent of the Activity.
 *//*w  w  w  .  ja v  a2s.com*/
@Nullable
public static Intent getActivityResultData(@NonNull final Activity activity) {
    if (activity == null) {
        throw new IllegalArgumentException("activity cannot be null"); //$NON-NLS-1$
    }

    if (Looper.getMainLooper() != Looper.myLooper()) {
        throw new AssertionError("Must only be called on the main thread");
    }

    /*
     * This is a hack to obtain the Activity result data. There is no official way to check this using the Android
     * testing frameworks, so accessing the internals of the Activity object is the only way. This could
     * break on newer versions of Android.
     */

    try {
        final Field resultIntentField = Activity.class.getDeclaredField("mResultData"); //$NON-NLS-1$
        resultIntentField.setAccessible(true);
        return ((Intent) resultIntentField.get(activity));
    } catch (final Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:com.facebook.appevents.internal.AppEventUtility.java

private static boolean isMainThread() {
    return Looper.myLooper() == Looper.getMainLooper();
}

From source file:com.tdispatch.passenger.api.ApiHelper.java

public static ApiHelper getInstance(TDApplication app) {
    if (_instance == null) {
        _instance = new ApiHelper();
        _instance.setApplication(app);//from  w  w  w.  j a  v a 2  s . co  m
    }

    if (Looper.getMainLooper().equals(Looper.myLooper())) {
        WebnetLog.e("ERROR: instantiated from UI thread!");
    }

    return (_instance);
}

From source file:org.opensilk.video.util.Utils.java

public static void assertMainThread() {
    if (Looper.myLooper() != Looper.getMainLooper()) {
        throw new IllegalStateException("Must call from main thread!");
    }/*w  w w .  j a v a 2s  .  co  m*/
}

From source file:Main.java

/**
 * @return true iff the current thread is the main (UI) thread.
 *//* w ww.  ja  v  a  2  s  .c  o  m*/
public static boolean runningOnUiThread() {
    return getUiThreadHandler().getLooper() == Looper.myLooper();
}

From source file:com.sysdata.demo.accordionview.SplashActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    new Handler(Looper.myLooper()).postDelayed(new Runnable() {
        @Override//from w w  w  .j  av a  2 s  . com
        public void run() {
            SampleActivity.launch(SplashActivity.this);
            ActivityCompat.finishAfterTransition(SplashActivity.this);
        }
    }, 1500);
}

From source file:org.opensilk.video.util.Utils.java

public static void ensureNotOnMainThread(Context context) {
    Looper looper = Looper.myLooper();
    if (looper != null && looper == context.getMainLooper()) {
        throw new IllegalStateException("calling this from your main thread can lead to deadlock");
    }/*from w  w  w  . j  ava2  s  . co m*/
}