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Callback AsyncTask to Fragment
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//设置回调接口的Fragment public class TestFragment extends Fragment { //启动异步任务 private void methodThatStartsTheAsyncTask() { TestAsyncTask testAsyncTask = new TestAsyncTask(new FragmentCallback() { @Override public void onTaskDone() { methodThatDoesSomethingWhenTaskIsDone(); } }); } private void methodThatDoesSomethingWhenTaskIsDone() { //异步任务完成后的操作 } public interface FragmentCallback { public void onTaskDone(); } }
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public class TestAsyncTask extends AsyncTask<Void, Void, Void> { private FragmentCallback mFragmentCallback; public TestAsyncTask(FragmentCallback fragmentCallback) { mFragmentCallback = fragmentCallback; } @Override protected Void doInBackground(Void... params) { /* * Do your thing. */ return null; } @Override protected void onPostExecute(Void result) { mFragmentCallback.onTaskDone(); } }
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