Example usage for android.os Handler Handler

Introduction

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

Prototype

@UnsupportedAppUsage
public Handler(boolean async)

Source Link

Document

Use the Looper for the current thread and set whether the handler should be asynchronous.

Usage

From source file:Main.java

public static void showToast(Context context, String message) {
    new Handler(Looper.getMainLooper()).post(() -> {
        Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
    });/*from w ww.  ja v  a 2  s. c o m*/
}

From source file:Main.java

public static void showKeyboard(final View view) {
    new Handler(Looper.getMainLooper()).postDelayed(new Runnable() {

        @Override//from   www .  j a  v a  2s .c om
        public void run() {
            setKeyboardVisible(view, true);
        }
    }, 200);
}

From source file:Main.java

public static void runOnUI(Runnable runnable) {
    if (handler == null) {
        handler = new Handler(Looper.getMainLooper());
    }/*from www  .j a  v  a2 s .c  o  m*/

    handler.post(runnable);
}

From source file:Main.java

public static void postOnUi(Context ctx, Runnable task) {
    Handler handler = new Handler(Looper.getMainLooper());
    handler.post(task);//w  w w  . ja va  2  s  .c  o m
}

From source file:Main.java

/**
 * Execute a runnable in the given looper
 * @param looper Looper to run the action.
 * @param action The code to run.// w  w  w.j a  va2  s.  c  o m
 */
public static void runOnLooper(Looper looper, Runnable action) {
    new Handler(looper).post(action);
}

From source file:Main.java

/**
 * Run the Runnable "delayed" by using an AsyncTask to first require a new
 * thread and only then, in onPostExecute, run the Runnable on the UI thread.
 * @param runnable Runnable to run on UI thread.
 *///from   w ww . ja va 2 s . c  o m
public static void runUiDelayed(final Runnable runnable) {
    (new AsyncTask<Void, Void, Void>() {
        @Override
        protected Void doInBackground(Void... arg0) {
            return null;
        }

        /**
         * Always invoked on UI thread.
         */
        @Override
        protected void onPostExecute(Void result) {
            Handler handler = new Handler(Looper.getMainLooper());
            handler.post(runnable);
        }
    }).execute();
}

From source file:Main.java

/**
 * Execute the given {@link Runnable} on the ui thread.
 *
 * @param runnable The runnable to execute.
 *///from   w  w  w.  j a v a  2 s.c o m
public static void runOnUiThread(Runnable runnable) {
    Thread uiThread = Looper.getMainLooper().getThread();
    if (Thread.currentThread() != uiThread)
        new Handler(Looper.getMainLooper()).post(runnable);
    else
        runnable.run();
}

From source file:Main.java

public static void postOnUi(Context ctx, Runnable task, long delayMs) {
    Handler handler = new Handler(Looper.getMainLooper());
    handler.postDelayed(task, delayMs);/*  ww w . j  ava2  s.  c o  m*/
}

From source file:Main.java

private static Handler sharedHandler(Context context) {
    if (mHandler == null) {
        mHandler = new Handler(context.getMainLooper());
    }//from   ww  w .  j  av  a  2s .  c om
    return mHandler;
}

From source file:Main.java

public static void runOnUiThread(Runnable runnable) {
    final Handler UIHandler = new Handler(Looper.getMainLooper());
    UIHandler.post(runnable);//from ww w  . j  a v a2 s.  co  m
}