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NavigationDrawer上面彈出的主要活動重疊CollapsingToolbar。這使它看起來很奇怪。我希望它低於顯示標題和動作按鈕的CollapsingToolbar。另外還有一個bug讓我生氣，當NavigationDrawer關閉標題從操作欄中消失。現在只有在CollapsingToolbar處於摺疊狀態時纔會發生這種情況。請幫我解決這個問題。導航抽屜重疊CollapsingToolbar
主要活動文件是： -
import android.support.design.widget.CollapsingToolbarLayout;
import android.support.design.widget.CoordinatorLayout;
import android.support.v4.view.ViewPager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import com.defcomm.invento.NavigationDrawerActivity;
import android.support.v4.widget.NestedScrollView;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
public class INVENTO extends AppCompatActivity {
private Toolbar toolbar;
private CoordinatorLayout mCoordinator;
private CollapsingToolbarLayout mCollapsableLayout;
private NestedScrollView nestedScrollView;
private ViewPager mPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_new);
mCoordinator= (CoordinatorLayout) findViewById(R.id.coordinator_layout);
mCollapsableLayout = (CollapsingToolbarLayout) findViewById(R.id.collapsing_toolbar);
toolbar= (Toolbar) findViewById(R.id.appbar);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayShowHomeEnabled(true);
mCollapsableLayout.setTitle(getResources().getString(R.string.app_name));
nestedScrollView= (NestedScrollView) findViewById(R.id.rvToDoList);
mCollapsableLayout.setExpandedTitleColor(getResources().getColor(R.color.textColor));
mCollapsableLayout.setCollapsedTitleTextColor(getResources().getColor(R.color.textColor));
NavigationDrawerActivity drawerFragment= (NavigationDrawerActivity) getSupportFragmentManager().
findFragmentById(R.id.navigation_drawer);
drawerFragment.setUp(R.id.navigation_drawer, (DrawerLayout) findViewById(R.id.drawerlayout), toolbar);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_invento, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
activity_new.xml文件：
<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawerlayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.defcomm.invento.INVENTO">
<android.support.design.widget.CoordinatorLayout
android:id="@+id/coordinator_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<android.support.design.widget.AppBarLayout
android:id="@+id/app_bar_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="200dp"
android:fitsSystemWindows="true"
android:background="#3f51b5"
app:contentScrim="@color/primaryColor"
app:expandedTitleMarginEnd="64dp"
app:expandedTitleMarginStart="48dp"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<ImageView
android:id="@+id/imageview"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:src="@drawable/index"
app:layout_collapseMode="parallax" />
<android.support.v7.widget.Toolbar
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_scrollFlags="scroll|enterAlways"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:layout_collapseMode="pin"/>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.NestedScrollView
android:id="@+id/rvToDoList"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."
android:textSize="26sp"
android:background="@android:color/white"
android:padding="5dp"
/>
</android.support.v4.widget.NestedScrollView>
<fragment
android:id="@+id/navigation_drawer"
android:name="com.defcomm.invento.NavigationDrawerActivity"
android:layout_width="@dimen/drawer_width"
android:layout_height="match_parent"
android:layout_gravity="start"
app:layout="@layout/fragment_navigation_drawer"
tools:layout="@layout/fragment_navigation_drawer" />
</android.support.design.widget.CoordinatorLayout>
</android.support.v4.widget.DrawerLayout>
}
我NavigationDrawerJava文件是：
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.design.widget.CoordinatorLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.LayoutInflater;
import android.support.design.widget.CollapsingToolbarLayout;
import android.view.View;
import android.view.ViewGroup;
public class NavigationDrawerActivity extends Fragment {
private ActionBarDrawerToggle mdrawerToggle;
private DrawerLayout mdrawerLayout;
private boolean mUserLearnedState;
private CoordinatorLayout mcoordinator;
private CollapsingToolbarLayout collapsingToolbarLayout;
View containerId;
public static final String file_pref_name = "Testpef";
public static final String KEY_USER_VALUE = "user_learned_drawer";
private boolean mfromSavedInstanceState;
public NavigationDrawerActivity() {
// Required empty public constructor
}
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mUserLearnedState = Boolean.valueOf(readPreference(getActivity(), KEY_USER_VALUE, "false"));
if (savedInstanceState != null) {
mfromSavedInstanceState = true;
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View layout=inflater.inflate(R.layout.fragment_navigation_drawer, container, false);
//recyclerview= (RecyclerView) layout.findViewById(R.id.recycler);
return layout;
}
public void setUp(final int fragmentId, DrawerLayout drawerlayout, final Toolbar toolbar) {
mdrawerLayout = drawerlayout;
containerId = getActivity().findViewById(fragmentId);
mdrawerToggle = new ActionBarDrawerToggle(getActivity(), drawerlayout, toolbar,
R.string.drawer_open, R.string.drawer_close) {
@Override
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
if (!mUserLearnedState) {
mUserLearnedState = true;
saveToPreference(getActivity(), KEY_USER_VALUE, mUserLearnedState + "");
}
getActivity().invalidateOptionsMenu();
toolbar.setTitle(getResources().getString(R.string.app_name));
}
@Override
public void onDrawerClosed(View drawerView) {
super.onDrawerClosed(drawerView);
getActivity().invalidateOptionsMenu();
toolbar.setTitle(getResources().getString(R.string.app_name));
}
@Override
public void onDrawerSlide(View drawerView, float slideOffset) {
if (slideOffset < 0.5f) {
toolbar.setAlpha(1 - slideOffset);
}
}
};
if (!mUserLearnedState && !mfromSavedInstanceState) {
mdrawerLayout.openDrawer(containerId);
}
mdrawerLayout.setDrawerListener(mdrawerToggle);
mdrawerLayout.post(new Runnable() {
@Override
public void run() {
mdrawerToggle.syncState();
}
});
}
public static void saveToPreference(Context context, String preferenceName, String preferenceValue) {
SharedPreferences shared = context.getSharedPreferences(file_pref_name, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = shared.edit();
editor.putString(preferenceName, preferenceValue);
editor.apply();
}
public static String readPreference(Context context, String preferenceName, String defaultValue) {
SharedPreferences share = context.getSharedPreferences(file_pref_name, Context.MODE_PRIVATE);
return share.getString(preferenceName, defaultValue);
}
}