相关疑难解决方法(0)

更新到最新的支持存储库后,

compile 'com.android.support:appcompat-v7:24.2.0'
compile 'com.android.support:design:24.2.0'
compile 'com.android.support:percent:24.2.0'
compile 'com.android.support:recyclerview-v7:24.2.0'

我得到了奇怪的例外.

java.lang.IllegalStateException: Fragment null must be a public static class to be  properly recreated from instance state.
at android.support.v4.app.BackStackRecord.doAddOp(BackStackRecord.java:435)
at android.support.v4.app.BackStackRecord.add(BackStackRecord.java:414)
at android.support.v4.app.DialogFragment.show(DialogFragment.java:154)
at com.androidapp.base.BaseActivity.showDialogFragment(BaseActivity.java:78)
at com.androidapp.MainActivity.showNewDialog(MainActivity.java:304)
at com.androidapp.MainActivity$6.onClick(MainActivity.java:228)

在我的BaseActivity类中,我创建了一个可重用的片段,可以在扩展BaseActivty的 activity类中使用

public void showDialogFragment(DialogFragment newFragment) {
        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
        Fragment prev = getSupportFragmentManager().findFragmentByTag("dialog");
        if (prev != null) {
            ft.remove(prev);
        }
        ft.addToBackStack("dialog");
        newFragment.show(ft, "dialog");
    }

回到MainActivty我用过像这样的片段,

public class MainActivity extends BaseActivity {

    @SuppressLint("ValidFragment")
        public void showNewDialog(int …