Example usage for android.os AsyncTask AsyncTask

Introduction

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

Prototype

public AsyncTask()

Source Link

Document

Creates a new asynchronous task.

Usage

From source file:Main.java

public static void fixAsyncTaskBug() {
    new AsyncTask<Void, Void, Void>() {

        @Override/*from   w  ww .j  a  v a 2 s .com*/
        protected Void doInBackground(Void... params) {
            return null;
        }
    }.execute();
}

From source file:Main.java

public static void run(final Runnable run) {
    new AsyncTask<Void, Void, Void>() {

        @Override//  ww w  . j  a va2s.  c  o  m
        protected Void doInBackground(Void... params) {
            run.run();
            return null;
        }
    };
}

From source file:Main.java

public static void doInAsync(final Runnable runnable) {
    new AsyncTask<Void, Void, Void>() {

        @Override//from  w ww  .jav  a2  s  . com
        protected Void doInBackground(Void... params) {
            return null;
        }

        protected void onPostExecute(Void result) {
            runnable.run();
        }

    }.execute();
}

From source file:Main.java

public static void Run(Runnable r) {
    new AsyncTask<Void, Void, Void>() {
        @Override/*from   ww  w .j a  va2s .  co  m*/
        protected Void doInBackground(Void... params) {
            r.run();
            return null;
        }
    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
}

From source file:Main.java

public static void killPackage(final String packageToKill) {
    new AsyncTask<Void, Void, Void>() {
        @Override//  w  w  w . ja  va  2 s.c o m
        protected Void doInBackground(Void... params) {
            try {
                Runtime.getRuntime().exec(new String[] { "su", "-c", "pkill " + packageToKill });
            } catch (IOException e) {
                e.printStackTrace();
            }
            return null;
        }
    }.execute();
}

From source file:Main.java

public static void jumpPostToActivity(final Context context, final Intent datatIntent, final int second) {
    (new AsyncTask<String, Integer, Boolean>() {
        protected Boolean doInBackground(String... params) {
            try {
                Thread.sleep((long) (second * 1000));
            } catch (Exception var3) {

            }/*from   w  w w.ja va  2 s  .c  o m*/
            return null;
        }

        protected void onPostExecute(Boolean result) {
            super.onPostExecute(result);
            context.startActivity(datatIntent);
        }
    }).execute(new String[] { "" });
}

From source file:Main.java

public static void jumpPostToNewActivity(final Context context, final Class<? extends Activity> targetClass,
        final int second) {
    (new AsyncTask<String, Integer, Boolean>() {
        protected Boolean doInBackground(String... params) {
            try {
                Thread.sleep((long) (second * 1000));
            } catch (Exception var3) {
                ;/* w  w  w . j a v a  2  s .  c o m*/
            }
            return null;
        }

        protected void onPostExecute(Boolean result) {
            super.onPostExecute(result);
            Intent datatIntent = new Intent(context, targetClass);
            datatIntent.setFlags(268435456);
            context.startActivity(datatIntent);
        }
    }).execute(new String[] { "" });
}

From source file:Main.java

public static void mediaScannerCall(final Context context, final File file) {
    new AsyncTask<Void, Void, Void>() {
        @Override//from   ww w . j  a  v a2  s  .co m
        protected Void doInBackground(Void... params) {
            MediaScannerConnection.scanFile(context, new String[] { file.toString() }, null,
                    new MediaScannerConnection.OnScanCompletedListener() {
                        public void onScanCompleted(String path, Uri uri) {
                            Log.i("ExternalStorage", "Scanned " + path + ":");
                            Log.i("ExternalStorage", "-> uri=" + uri);
                        }
                    });
            return null;
        }
    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, null, null, null);
}

From source file:Main.java

public static void jumpPostToNewTopActivity(final Context context, final Class<? extends Activity> targetClass,
        final int second) {
    (new AsyncTask<String, Integer, Boolean>() {
        protected Boolean doInBackground(String... params) {
            try {
                Thread.sleep((long) (second * 1000));
            } catch (Exception var3) {

            }//from w  w w. j  a  v  a2s .c o m

            return null;
        }

        protected void onPostExecute(Boolean result) {
            super.onPostExecute(result);
            Intent datatIntent = new Intent(context, targetClass);
            datatIntent.setFlags(335544320);
            context.startActivity(datatIntent);
        }
    }).execute(new String[] { "" });
}

From source file:Main.java

private static void smoothToOrigin(final View view) {
    Date firstDate = new Date();
    final long firstTime = firstDate.getTime();
    executeAsyncTask(new AsyncTask<Void, Integer, Void>() {
        int n = 1, t = 4000;
        boolean increaseN;

        @Override/*from   w  w  w . j  a  va  2  s.c  o m*/
        protected Void doInBackground(Void... params) {
            while (!isCancelled()) {
                Date currentDate = new Date();
                long diffTime = currentDate.getTime() - firstTime;

                double y = getCosY(diffTime);
                int alpha = (int) (y * 255);
                int resultColor = setAlphaComponent(mColor, alpha);
                if (alpha < 0.038 * 255) {
                    publishProgress(0);
                    this.cancel(true);
                    return null;
                }
                publishProgress(resultColor, alpha);
                try {
                    Thread.sleep(38);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
            return null;
        }

        @Override
        protected void onProgressUpdate(Integer... values) {
            super.onProgressUpdate(values);
            view.setBackgroundColor(values[0]);
        }
    });
}