android.support.v4.app.FragmentActivity.onKeyDown()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中android.support.v4.app.FragmentActivity.onKeyDown()方法的一些代码示例，展示了FragmentActivity.onKeyDown()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。FragmentActivity.onKeyDown()方法的具体详情如下：
包路径：android.support.v4.app.FragmentActivity
类名称：FragmentActivity
方法名：onKeyDown

FragmentActivity.onKeyDown介绍

[英]Take care of calling onBackPressed() for pre-Eclair platforms.
[中]请注意为Eclair之前的平台调用onBackPressed（）。

代码示例

代码示例来源：origin: commonsguy/cw-omnibus

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
 if (keyCode==KeyEvent.KEYCODE_SLASH &&
  event.isAltPressed() &&
  event.getRepeatCount()==0 &&
  Build.VERSION.SDK_INT<=Build.VERSION_CODES.M) {
  new ShortcutDialogFragment().show(getSupportFragmentManager(),
   "shortcuts");
  return(true);
 }
 return(super.onKeyDown(keyCode, event));
}

代码示例来源：origin: commonsguy/cw-omnibus

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
 if (keyCode==KeyEvent.KEYCODE_SLASH &&
  event.isAltPressed() &&
  event.getRepeatCount()==0 &&
  Build.VERSION.SDK_INT<=Build.VERSION_CODES.M) {
  new ShortcutDialogFragment().show(getSupportFragmentManager(),
   "shortcuts");
  return(true);
 }
 return(super.onKeyDown(keyCode, event));
}

代码示例来源：origin: commonsguy/cw-omnibus

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
 if (keyCode==KeyEvent.KEYCODE_DPAD_RIGHT && event.getRepeatCount()==0) {
  int position=adapter.getCheckedPosition();
  if (position>=0) {
   Uri videoUri=adapter.getVideoUri(position);
   if (event.isAltPressed()) {
    playVideo(videoUri);
   }
   else if (event.isCtrlPressed()) {
    showLargeThumbnail(videoUri);
   }
   return(true);
  }
 }
 return(super.onKeyDown(keyCode, event));
}

代码示例来源：origin: commonsguy/cw-omnibus

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
 if (keyCode==KeyEvent.KEYCODE_DPAD_RIGHT && event.getRepeatCount()==0) {
  int position=adapter.getCheckedPosition();
  if (position>=0) {
   Uri videoUri=adapter.getVideoUri(position);
   if (event.isAltPressed()) {
    playVideo(videoUri);
   }
   else if (event.isCtrlPressed()) {
    showLargeThumbnail(videoUri);
   }
   return(true);
  }
 }
 return(super.onKeyDown(keyCode, event));
}

代码示例来源：origin: commonsguy/cw-omnibus

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
 if (keyCode==KeyEvent.KEYCODE_DPAD_RIGHT && event.getRepeatCount()==0) {
  int position=adapter.getCheckedPosition();
  if (position>=0) {
   Uri videoUri=adapter.getVideoUri(position);
   if (event.isAltPressed()) {
    playVideo(videoUri);
   }
   else if (event.isCtrlPressed()) {
    showLargeThumbnail(videoUri);
   }
   return(true);
  }
 }
 return(super.onKeyDown(keyCode, event));
}

代码示例来源：origin: commonsguy/cw-omnibus

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
 if (keyCode==KeyEvent.KEYCODE_DPAD_RIGHT && event.getRepeatCount()==0) {
  int position=adapter.getCheckedPosition();
  if (position>=0) {
   Uri videoUri=adapter.getVideoUri(position);
   if (event.isAltPressed()) {
    playVideo(videoUri);
   }
   else if (event.isCtrlPressed()) {
    showLargeThumbnail(videoUri);
   }
   return(true);
  }
 }
 return(super.onKeyDown(keyCode, event));
}

代码示例来源：origin: commonsguy/cw-omnibus

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
 if (event.getRepeatCount()==0) {
  if (keyCode==KeyEvent.KEYCODE_DPAD_RIGHT) {
   int position=adapter.getCheckedPosition();
   if (position>=0) {
    Uri videoUri=adapter.getVideoUri(position);
    if (event.isAltPressed()) {
     playVideo(videoUri);
    }
    else if (event.isCtrlPressed()) {
     showLargeThumbnail(videoUri);
    }
    return(true);
   }
  }
  else if (keyCode==KeyEvent.KEYCODE_SLASH &&
   event.isMetaPressed() &&
   Build.VERSION.SDK_INT<Build.VERSION_CODES.N) {
   new ShortcutDialogFragment().show(getSupportFragmentManager(),
    "shortcuts");
   return(true);
  }
 }
 return(super.onKeyDown(keyCode, event));
}

代码示例来源：origin: ManbangGroup/Phantom

public boolean callSuperOnKeyDown(int keyCode, KeyEvent event) {
  return super.onKeyDown(keyCode, event);
}

代码示例来源：origin: openwalletGH/openwallet-android

@Override
public boolean onKeyDown(final int keyCode, final KeyEvent event)
{
  switch (keyCode)
  {
    case KeyEvent.KEYCODE_FOCUS:
    case KeyEvent.KEYCODE_CAMERA:
      // don't launch camera app
      return true;
    case KeyEvent.KEYCODE_VOLUME_DOWN:
    case KeyEvent.KEYCODE_VOLUME_UP:
      cameraHandler.post(new Runnable()
      {
        @Override
        public void run()
        {
          cameraManager.setTorch(keyCode == KeyEvent.KEYCODE_VOLUME_UP);
        }
      });
      return true;
  }
  return super.onKeyDown(keyCode, event);
}

代码示例来源：origin: Coinomi/coinomi-android

@Override
public boolean onKeyDown(final int keyCode, final KeyEvent event)
{
  switch (keyCode)
  {
    case KeyEvent.KEYCODE_FOCUS:
    case KeyEvent.KEYCODE_CAMERA:
      // don't launch camera app
      return true;
    case KeyEvent.KEYCODE_VOLUME_DOWN:
    case KeyEvent.KEYCODE_VOLUME_UP:
      cameraHandler.post(new Runnable()
      {
        @Override
        public void run()
        {
          cameraManager.setTorch(keyCode == KeyEvent.KEYCODE_VOLUME_UP);
        }
      });
      return true;
  }
  return super.onKeyDown(keyCode, event);
}

代码示例来源：origin: sealtalk/sealtalk-android

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
  if (keyCode == KeyEvent.KEYCODE_BACK) {
    moveTaskToBack(false);
    return true;
  }
  return super.onKeyDown(keyCode, event);
}

代码示例来源：origin: nekocode/JarFilterPlugin

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
  if (performMenuItemShortcut(keyCode, event)) {
    return true;
  }
  return super.onKeyDown(keyCode, event);
}

代码示例来源：origin: shazam/android-aspects

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
  return super.onKeyDown(keyCode, event) || dispatcher.dispatchOnKeyDown(this, keyCode, event);
}

代码示例来源：origin: madreain/AndroidDream

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
  if (keyCode == KeyEvent.KEYCODE_BACK) {
    if (System.currentTimeMillis() - currentTime > 2000) {
      Toast.makeText(this, "再按一次退出", Toast.LENGTH_SHORT).show();
      currentTime = System.currentTimeMillis();
    } else {
      finish();
    }
    return true;
  }
  return super.onKeyDown(keyCode, event);
}

代码示例来源：origin: xiangzhihong/newsApp

/**
 * 按两次退出应用
 *
 * @param keyCode
 * @param event
 * @return
 */
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
  if (keyCode == KeyEvent.KEYCODE_BACK
      && event.getAction() == KeyEvent.ACTION_DOWN) {
    if ((System.currentTimeMillis() - exitTime) > 2000) {
      /*Toast.makeText(getApplicationContext(), "再按一次退出程序",
          Toast.LENGTH_SHORT).show();*/
      showTips(R.drawable.tips_smile, "再按一次退出程序");
      exitTime = System.currentTimeMillis();
    } else {
      finish();
      Intent intent = new Intent(Intent.ACTION_MAIN);
      intent.addCategory(Intent.CATEGORY_HOME);
      intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
      startActivity(intent);
    }
    return true;
  }
  return super.onKeyDown(keyCode, event);
}

代码示例来源：origin: 24Kshign/SuspensionWindow

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
  if (keyCode == KeyEvent.KEYCODE_BACK) {
    if (mWebView.canGoBack()) {
      mWebView.goBack();
      return true;
    } else {
      finish();
    }
  }
  return super.onKeyDown(keyCode, event);
}

代码示例来源：origin: easefun/polyv-android-sdk-2.0-demo

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
  if (keyCode == KeyEvent.KEYCODE_BACK) {
    if (fl_screencast_search.getVisibility() == View.VISIBLE) {
      fl_screencast_search.hide(true);
      return true;
    }
    if (fl_screencast_search_land.getVisibility() == View.VISIBLE) {
      fl_screencast_search_land.hide(true);
      return true;
    }
    if (PolyvScreenUtils.isLandscape(this) && mediaController != null) {
      mediaController.changeToPortrait();
      return true;
    }
    if (viewPagerFragment != null && PolyvScreenUtils.isPortrait(this) && viewPagerFragment.isSideIconVisible()) {
      viewPagerFragment.setSideIconVisible(false);
      return true;
    }
  }
  return super.onKeyDown(keyCode, event);
}

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