小编mst*_*kmx的帖子

在显示ArticlesActivity视图后,我无法通过按箭头返回mainActivity.我添加了setDisplayHomeAsUpEnabled(true)和setHomeButtonEnabled(true)

表现:

...
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />

<application
    android:name=".MyApp"
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:supportsRtl="true"
    android:theme="@style/AppTheme">
    <activity
        android:name=".views.LoadingActivity"
        android:configChanges="orientation|keyboardHidden|screenSize"
        android:label="@string/app_name"
        android:theme="@style/FullscreenTheme">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
    <activity
        android:name=".views.MainActivity"
        android:label="@string/title_activity_main"
        android:theme="@style/AppTheme.NoActionBar" />
....

主要活动

public class MainActivity extends AppCompatActivity {
    static public DrawerLayout mDrawerLayout;
    private ArrayList<ArrayList<Article>> articlesHomeList;

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

        setContentView(R.layout.activity_main);
        Bundle bundle = getIntent().getExtras();
        articlesHomeList = (ArrayList<ArrayList<Article>>) bundle.getSerializable("articlesHomeList");
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        toolbar.setTitle(R.string.app_name);
        setSupportActionBar(toolbar);


        // Setting ViewPager for …