android.os.Handler.<init>()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中android.os.Handler.<init>()方法的一些代码示例，展示了Handler.<init>()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Handler.<init>()方法的具体详情如下：
包路径：android.os.Handler
类名称：Handler
方法名：<init>

Handler.<init>介绍

暂无

代码示例

代码示例来源：origin: stackoverflow.com

// initialize the progress dialog like in the first example

// this is how you fire the downloader
mProgressDialog.show();
Intent intent = new Intent(this, DownloadService.class);
intent.putExtra("url", "url of the file to download");
intent.putExtra("receiver", new DownloadReceiver(new Handler()));
startService(intent);

代码示例来源：origin: stackoverflow.com

mProgressDialog.show();
Intent intent = new Intent(this, DownloadService.class);
intent.putExtra("url", "url of the file to download");
intent.putExtra("receiver", new DownloadReceiver(new Handler()));
startService(intent);

代码示例来源：origin: stackoverflow.com

Intent i = new Intent(this, DownloadService.class);
i.putExtra("receiver", new DownReceiver(new Handler()));
<context>.startService(i);

代码示例来源：origin: stackoverflow.com

public class MyActivity extends ListActivity {

  private MyResultReceiver theReceiver = null;

  ...

  private void callService () {
    theReceiver = new MyResultReceiver(new Handler());
    theReceiver.setParentContext(this);
    Intent i = new Intent("com.mycompany.ACTION_DO_SOMETHING");

    // Code to define and initialize myData here

    i.putExtra("someData", myData);
    i.putExtra("resReceiver", theReceiver);
    startService(i);

  }
}

代码示例来源：origin: stackoverflow.com

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;

public class Splash extends Activity {

  /** Duration of wait **/
  private final int SPLASH_DISPLAY_LENGTH = 1000;

  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.splashscreen);

    /* New Handler to start the Menu-Activity 
     * and close this Splash-Screen after some seconds.*/
    new Handler().postDelayed(new Runnable(){
      @Override
      public void run() {
        /* Create an Intent that will start the Menu-Activity. */
        Intent mainIntent = new Intent(Splash.this,Menu.class);
        Splash.this.startActivity(mainIntent);
        Splash.this.finish();
      }
    }, SPLASH_DISPLAY_LENGTH);
  }
}

代码示例来源：origin: stackoverflow.com

public class Splash extends Activity {
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.splash);

    int secondsDelayed = 1;
    new Handler().postDelayed(new Runnable() {
        public void run() {
            startActivity(new Intent(Splash.this, ActivityB.class));
            finish();
        }
    }, secondsDelayed * 1000);
  }
}

代码示例来源：origin: stackoverflow.com

public class SplashScreen extends Activity {
private static final int SPLASH_DISPLAY_TIME = 4000; // splash screen delay time

@Override
public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.splash);

  new Handler().postDelayed(new Runnable() {
    public void run() {

      Intent intent = new Intent();
      intent.setClass(Splash.this, NextActivity.class);

      Splash.this.startActivity(intent);
      Splash.this.finish();

      // transition from splash to main menu
      overridePendingTransition(R.animate.activityfadein,
          R.animate.splashfadeout);

    }
  }, SPLASH_DISPLAY_TIME);
}

代码示例来源：origin: stackoverflow.com

public class SplashActivity extends Activity {
  private static boolean splashLoaded = false;

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

    if (!splashLoaded) {
      setContentView(R.layout.activity_splash);
      int secondsDelayed = 1;
      new Handler().postDelayed(new Runnable() {
        public void run() {
          startActivity(new Intent(SplashActivity.this, MainActivity.class));
          finish();
        }
      }, secondsDelayed * 500);

      splashLoaded = true;
    }
    else {
      Intent goToMainActivity = new Intent(SplashActivity.this, MainActivity.class);
      goToMainActivity.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
      startActivity(goToMainActivity);
      finish();
    }
  }
}

代码示例来源：origin: TeamNewPipe/NewPipe

/**
 * A simple and general error handler that show a Toast for known exceptions, and for others, opens the report error activity with the (optional) error message.
 */
public static void handleGeneralException(Context context, int serviceId, String url, Throwable exception, UserAction userAction, String optionalErrorMessage) {
  final Handler handler = new Handler(context.getMainLooper());
  handler.post(() -> {
    if (exception instanceof ReCaptchaException) {
      Toast.makeText(context, R.string.recaptcha_request_toast, Toast.LENGTH_LONG).show();
      // Starting ReCaptcha Challenge Activity
      Intent intent = new Intent(context, ReCaptchaActivity.class);
      intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
      context.startActivity(intent);
    } else if (exception instanceof IOException) {
      Toast.makeText(context, R.string.network_error, Toast.LENGTH_LONG).show();
    } else if (exception instanceof YoutubeStreamExtractor.GemaException) {
      Toast.makeText(context, R.string.blocked_by_gema, Toast.LENGTH_LONG).show();
    } else if (exception instanceof ContentNotAvailableException) {
      Toast.makeText(context, R.string.content_not_available, Toast.LENGTH_LONG).show();
    } else {
      int errorId = exception instanceof YoutubeStreamExtractor.DecryptException ? R.string.youtube_signature_decryption_error :
          exception instanceof ParsingException ? R.string.parsing_error : R.string.general_error;
      ErrorActivity.reportError(handler, context, exception, MainActivity.class, null, ErrorActivity.ErrorInfo.make(userAction,
          serviceId == -1 ? "none" : NewPipe.getNameOfService(serviceId), url + (optionalErrorMessage == null ? "" : optionalErrorMessage), errorId));
    }
  });
}

代码示例来源：origin: iSoron/uhabits

public void restartWithFade(Class<?> cls)
{
  new Handler().postDelayed(() ->
  {
    finish();
    overridePendingTransition(fade_in, fade_out);
    startActivity(new Intent(this, cls));
  }, 500); // HACK: Let the menu disappear first
}

代码示例来源：origin: LawnchairLauncher/Lawnchair

public static void callAsync(Context context, String[] permissions, int requestCode, final PermissionResultCallback callback) {
  // Proceed to the callback if permissions were already granted
  if (PermissionResponse.hasPermissions(context, permissions)) {
    callback.onComplete(new PermissionResponse(permissions, new int[]{PackageManager.PERMISSION_GRANTED}, requestCode));
    return;
  }
  // Our result receiver to get the response asynchronously
  ResultReceiver receiver = new ResultReceiver(new Handler(Looper.getMainLooper())) {
    @Override
    protected void onReceiveResult(int resultCode, Bundle resultData) {
      super.onReceiveResult(resultCode, resultData);
      int[] grantResult = resultData.getIntArray("grantResult");
      String[] permissions = resultData.getStringArray("permissions");
      // Call the callback with the result
      callback.onComplete(new PermissionResponse(permissions, grantResult, resultCode));
    }
  };
  // Build our intent to launch
  Intent intent = new Intent(context, PermissionActivity.class);
  intent.putExtra("requestCode", requestCode);
  intent.putExtra("permissions", permissions);
  intent.putExtra("resultReceiver", receiver);
  intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
  // Start our activity and wait
  context.startActivity(intent);
}

代码示例来源：origin: stackoverflow.com

setContentView(R.layout.activity_main);
receiver = new MyReceiver(new Handler()); // Create the receiver
registerReceiver(receiver, new IntentFilter("some.action")); // Register receiver
sendBroadcast(new Intent("some.action")); // Send an example Intent

代码示例来源：origin: stackoverflow.com

LayoutInflater li = LayoutInflater.from(context);
        final View view = li.createView(name, null, attrs);
        new Handler().post(new Runnable() {
          public void run() {
switch (item.getItemId()) {
case R.id.AboutUs:
  Intent i = new Intent("com.test.demo.ABOUT");
  startActivity(i);
  break;
case R.id.preferences:
  Intent p = new Intent("com.test.demo.PREFS");
  startActivity(p);
  break;

代码示例来源：origin: aa112901/remusic

@Override
  public void onItemMoved(int from, int to) {
    Log.d("queue", "onItemMoved " + from + " to " + to);
    MusicInfo musicInfo = mAdapter.getMusicAt(from);
    boolean f = mAdapter.isItemChecked(from);
    boolean t = mAdapter.isItemChecked(to);
    mAdapter.removeSongAt(from);
    mAdapter.setItemChecked(from, t);
    mAdapter.addSongTo(to, musicInfo);
    mAdapter.setItemChecked(to, f);
    mAdapter.notifyDataSetChanged();
    new Handler().postDelayed(new Runnable() {
      @Override
      public void run() {
        pManager.delete(playlistId);
        for (int i = 0; i < mAdapter.mList.size(); i++) {
          pManager.insert(PlaylistSelectActivity.this, playlistId, mAdapter.mList.get(i).songId, i);
        }
      }
    }, 100);
    //MusicPlayer.moveQueueItem(from, to);
    Intent intent = new Intent();
    intent.setAction(IConstants.PLAYLIST_ITEM_MOVED);
    PlaylistSelectActivity.this.sendBroadcast(intent);
  }
});

代码示例来源：origin: naman14/Timber

case R.id.nav_nowplaying:
  if (getCastSession() != null) {
    startActivity(new Intent(MainActivity.this, ExpandedControlsActivity.class));
  } else {
    NavigationUtils.navigateToNowplaying(MainActivity.this, false);
case R.id.nav_about:
  mDrawerLayout.closeDrawers();
  Handler handler = new Handler();
  handler.postDelayed(new Runnable() {
    @Override
  startActivity(new Intent(MainActivity.this, DonateActivity.class));
  break;
menuItem.setChecked(true);
mDrawerLayout.closeDrawers();
Handler handler = new Handler();
handler.postDelayed(new Runnable() {
  @Override

代码示例来源：origin: aa112901/remusic

new Handler().postDelayed(new Runnable() {
  @Override
  public void run() {
Intent intent = new Intent(MediaService.PLAYLIST_CHANGED);
sendBroadcast(intent);
            mAdapter.updateDataSet();
            mAdapter.notifyDataSetChanged();
            SelectActivity.this.sendBroadcast(new Intent(IConstants.MUSIC_COUNT_CHANGED));

代码示例来源：origin: wangdan/AisenWeiBo

Intent intent = new Intent(Intent.ACTION_MAIN);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.addCategory(Intent.CATEGORY_HOME);
new Handler().postDelayed(new Runnable() {

代码示例来源：origin: aa112901/remusic

case 0:
  if (adapterMusicInfo.islocal) {
    new Handler().postDelayed(new Runnable() {
      @Override
      public void run() {
  break;
case 2:
  Intent shareIntent = new Intent();
  shareIntent.setAction(Intent.ACTION_SEND);
  shareIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + adapterMusicInfo.data));
              public void run() {
                PlaylistsManager.getInstance(mContext).deleteMusic(mContext, adapterMusicInfo.songId);
                mContext.sendBroadcast(new Intent(IConstants.MUSIC_COUNT_CHANGED));

代码示例来源：origin: stackoverflow.com

mResultReceiver = new AddressResultReceiver(new Handler());
Intent intent = new Intent(this, FetchAddressIntentService.class);

代码示例来源：origin: robolectric/robolectric

@Test
@Config(minSdk = N)
public void cancel_removesMatchingListeners() {
 Intent intent = new Intent("ACTION!");
 PendingIntent pI = PendingIntent.getService(context, 1, intent, 0);
 OnAlarmListener listener1 = () -> {};
 OnAlarmListener listener2 = () -> {};
 Handler handler = new Handler();
 alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, 20, "tag", listener1, handler);
 alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, 30, "tag", listener2, handler);
 alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, 40, pI);
 assertThat(shadowAlarmManager.getScheduledAlarms()).hasSize(3);
 alarmManager.cancel(listener1);
 assertThat(shadowAlarmManager.getScheduledAlarms()).hasSize(2);
 assertThat(shadowAlarmManager.peekNextScheduledAlarm().onAlarmListener).isEqualTo(listener2);
 assertThat(shadowAlarmManager.peekNextScheduledAlarm().handler).isEqualTo(handler);
}

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