小编mav*_*oid的帖子

当我尝试为来电创建自定义屏幕时,我正在尝试以编程方式接听来电.我使用以下代码但它在Android 5.0中不起作用.

// Simulate a press of the headset button to pick up the call
Intent buttonDown = new Intent(Intent.ACTION_MEDIA_BUTTON);             
buttonDown.putExtra(Intent.EXTRA_KEY_EVENT, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_HEADSETHOOK));
context.sendOrderedBroadcast(buttonDown, "android.permission.CALL_PRIVILEGED");

// froyo and beyond trigger on buttonUp instead of buttonDown
Intent buttonUp = new Intent(Intent.ACTION_MEDIA_BUTTON);               
buttonUp.putExtra(Intent.EXTRA_KEY_EVENT, new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_HEADSETHOOK));
context.sendOrderedBroadcast(buttonUp, "android.permission.CALL_PRIVILEGED");

在类HttpHeaderParser中:

public static Cache.Entry parseCacheHeaders(NetworkResponse response) {
    long now = System.currentTimeMillis();

    Map<String, String> headers = response.headers;

    long serverDate = 0;
    long serverExpires = 0;
    long softExpire = 0;
    long maxAge = 0;
    boolean hasCacheControl = false;

    String serverEtag = null;
    String headerValue;

    headerValue = headers.get("Date");
    if (headerValue != null) {
        serverDate = parseDateAsEpoch(headerValue);
    }

    headerValue = headers.get("Cache-Control");
    if (headerValue != null) {
        hasCacheControl = true;
        String[] tokens = headerValue.split(",");
        for (int i = 0; i < tokens.length; i++) {
            String …

我正在使用Collections.Synchronizedlist()我的arraylist线程安全.我想问的是以下代码线程安全,即从末尾迭代列表时删除: -

pendingExecutionList = Collections.synchronizedList(new ArrayList<>(initialCapacity));

我在主线程中创建列表.并从不同的线程添加到此列表.但是,迭代和删除只能从一个Scheduled线程完成,如下所示: -

for (int i = pendingExecutionList.size() - 1; i >= 0; i--) 
{
   if (someCondition(pendingExecutionList.get(i))) 
   {
      process(pendingExecutionList.remove(i));
   }
}

当多个线程添加到此列表时,上述代码仅由单个线程执行.

我想避免使用迭代器,synchronized(list)因为它不是故障安全的.

如何在swapCursor函数中实现Recycler View默认项目添加/删除动画.notifyDataSetChanged()不会显示任何动画.

public void swapCursor(Cursor newCursor) {
        mCursor = newCursor;
        notifyDataSetChanged();
    }