see 04/10 log

app/build.gradle

@@ -10,6 +10,9 @@ android {
         targetSdkVersion target_sdk_version
         versionCode version_code
         versionName version_name
+        dataBinding {
+            enabled = true
+        }
     }
 
     if (signPropertiesFile.exists()) {
@@ -57,7 +60,7 @@ dependencies {
     // LeakCanary
     debugImplementation "com.squareup.leakcanary:leakcanary-android:$leakcanary_version"
     releaseImplementation "com.squareup.leakcanary:leakcanary-android-no-op:$leakcanary_version"
-//    implementation 'com.blankj:utilcode:1.13.9'
+//    implementation 'com.blankj:utilcode:1.13.10'
 }
 
 

app/src/main/java/com/blankj/androidutilcode/MainActivity.java

@@ -2,6 +2,7 @@ package com.blankj.androidutilcode;
 
 import android.graphics.Color;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.design.widget.CollapsingToolbarLayout;
 import android.support.v7.app.ActionBarDrawerToggle;
 import android.support.v7.widget.Toolbar;
@@ -23,7 +24,7 @@ import com.blankj.utilcode.util.BarUtils;
 public class MainActivity extends BaseDrawerActivity {
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/base/BaseActivity.java

@@ -18,31 +18,30 @@ import android.view.View;
 public abstract class BaseActivity extends AppCompatActivity
         implements IBaseView {
 
-    /**
-     * 当前 Activity 渲染的视图 View
-     */
-    protected View contentView;
+    protected View     mContentView;
+    protected Activity mActivity;
+
     /**
      * 上次点击时间
      */
     private long lastClick = 0;
 
-    protected Activity mActivity;
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         mActivity = this;
         Bundle bundle = getIntent().getExtras();
-        initData(bundle);
+        if (bundle != null) {
+            initData(bundle);
+        }
         setBaseView(bindLayout());
-        initView(savedInstanceState, contentView);
+        initView(savedInstanceState, mContentView);
         doBusiness();
     }
 
     protected void setBaseView(@LayoutRes int layoutId) {
         if (layoutId <= 0) return;
-        setContentView(contentView = LayoutInflater.from(this).inflate(layoutId, null));
+        setContentView(mContentView = LayoutInflater.from(this).inflate(layoutId, null));
     }
 
     /**

app/src/main/java/com/blankj/androidutilcode/base/BaseBackActivity.java

@@ -34,8 +34,8 @@ public abstract class BaseBackActivity extends BaseActivity {
     @Override
     protected void setBaseView(@LayoutRes int layoutId) {
         Slidr.attach(this);
-        contentView = LayoutInflater.from(this).inflate(R.layout.activity_back, null);
-        setContentView(contentView);
+        mContentView = LayoutInflater.from(this).inflate(R.layout.activity_back, null);
+        setContentView(mContentView);
         rootLayout = findViewById(R.id.root_layout);
         abl = findViewById(R.id.abl);
         mToolbar = findViewById(R.id.toolbar);

app/src/main/java/com/blankj/androidutilcode/base/BaseDrawerActivity.java

@@ -44,8 +44,8 @@ public abstract class BaseDrawerActivity extends BaseActivity {
 
     @Override
     protected void setBaseView(@LayoutRes int layoutId) {
-        contentView = LayoutInflater.from(this).inflate(R.layout.activity_drawer, null);
-        setContentView(contentView);
+        mContentView = LayoutInflater.from(this).inflate(R.layout.activity_drawer, null);
+        setContentView(mContentView);
         rootLayout = findViewById(R.id.root_layout);
         flActivityContainer = findViewById(R.id.activity_container);
         flActivityContainer.addView(LayoutInflater.from(this).inflate(layoutId, flActivityContainer, false));

app/src/main/java/com/blankj/androidutilcode/base/BaseFragment.java

@@ -3,6 +3,8 @@ package com.blankj.androidutilcode.base;
 import android.app.Activity;
 import android.os.Bundle;
 import android.support.annotation.IdRes;
+import android.support.annotation.LayoutRes;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentTransaction;
@@ -25,7 +27,7 @@ public abstract class BaseFragment extends Fragment
     private static final String TAG                  = "BaseFragment";
     private static final String STATE_SAVE_IS_HIDDEN = "STATE_SAVE_IS_HIDDEN";
 
-    protected View     contentView;
+    protected View     mContentView;
     protected Activity mActivity;
 
     private long lastClick = 0;
@@ -48,34 +50,41 @@ public abstract class BaseFragment extends Fragment
 
     @Nullable
     @Override
-    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
         Log.d(TAG, "onCreateView: ");
-        contentView = inflater.inflate(bindLayout(), null);
-        return contentView;
+        setBaseView(inflater, bindLayout());
+        return mContentView;
+    }
+
+    protected void setBaseView(@NonNull LayoutInflater inflater, @LayoutRes int layoutId) {
+        if (layoutId <= 0) return;
+        mContentView = inflater.inflate(layoutId, null);
     }
 
     @Override
-    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         Log.d(TAG, "onViewCreated: ");
         super.onViewCreated(view, savedInstanceState);
         Bundle bundle = getArguments();
-        initData(bundle);
+        if (bundle != null) {
+            initData(bundle);
+        }
     }
 
     @Override
-    public void onActivityCreated(Bundle savedInstanceState) {
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
         Log.d(TAG, "onActivityCreated: ");
         super.onActivityCreated(savedInstanceState);
-        mActivity = (BaseActivity) getActivity();
-        initView(savedInstanceState, contentView);
+        mActivity = getActivity();
+        initView(savedInstanceState, mContentView);
         doBusiness();
     }
 
     @Override
     public void onDestroyView() {
         Log.d(TAG, "onDestroyView: ");
-        if (contentView != null) {
-            ((ViewGroup) contentView.getParent()).removeView(contentView);
+        if (mContentView != null) {
+            ((ViewGroup) mContentView.getParent()).removeView(mContentView);
         }
         super.onDestroyView();
     }
@@ -87,7 +96,7 @@ public abstract class BaseFragment extends Fragment
     }
 
     @Override
-    public void onSaveInstanceState(Bundle outState) {
+    public void onSaveInstanceState(@NonNull Bundle outState) {
         Log.d(TAG, "onSaveInstanceState: ");
         super.onSaveInstanceState(outState);
         outState.putBoolean(STATE_SAVE_IS_HIDDEN, isHidden());
@@ -108,7 +117,7 @@ public abstract class BaseFragment extends Fragment
     }
 
     public <T extends View> T findViewById(@IdRes int id) {
-        if (contentView == null) throw new NullPointerException("ContentView is null.");
-        return contentView.findViewById(id);
+        if (mContentView == null) throw new NullPointerException("ContentView is null.");
+        return mContentView.findViewById(id);
     }
 }

app/src/main/java/com/blankj/androidutilcode/base/BaseLazyFragment.java

@@ -22,7 +22,7 @@ public abstract class BaseLazyFragment extends BaseFragment {
     public void setUserVisibleHint(boolean isVisibleToUser) {
         Log.d(TAG, "setUserVisibleHint: " + isVisibleToUser);
         super.setUserVisibleHint(isVisibleToUser);
-        if (isVisibleToUser && contentView != null && !isDataLoaded) {
+        if (isVisibleToUser && mContentView != null && !isDataLoaded) {
             doLazyBusiness();
             isDataLoaded = true;
         }

app/src/main/java/com/blankj/androidutilcode/base/DataBindingActivity.java

+package com.blankj.androidutilcode.base;
+
+/**
+ * <pre>
+ *     author: Blankj
+ *     blog  : http://blankj.com
+ *     time  : 2018/04/10
+ *     desc  :
+ * </pre>
+ */
+public abstract class DataBindingActivity extends BaseActivity {
+
+
+}

app/src/main/java/com/blankj/androidutilcode/base/IBaseView.java

 package com.blankj.androidutilcode.base;
 
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 
 /**
@@ -18,7 +19,7 @@ interface IBaseView extends View.OnClickListener {
      *
      * @param bundle 传递过来的 bundle
      */
-    void initData(final Bundle bundle);
+    void initData(@NonNull final Bundle bundle);
 
     /**
      * 绑定布局

app/src/main/java/com/blankj/androidutilcode/feature/core/CoreUtilActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 
 import com.blankj.androidutilcode.R;
@@ -44,7 +45,7 @@ public class CoreUtilActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/activity/ActivityActivity.java

@@ -6,6 +6,7 @@ import android.graphics.Bitmap;
 import android.graphics.drawable.BitmapDrawable;
 import android.os.Build;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.app.ActivityOptionsCompat;
 import android.view.View;
 import android.view.Window;
@@ -45,7 +46,7 @@ public class ActivityActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/activity/SubActivityActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.activity;
 import android.graphics.Color;
 import android.os.Build;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.app.ActivityCompat;
 import android.view.View;
 import android.view.Window;
@@ -25,7 +26,7 @@ public class SubActivityActivity extends BaseBackActivity {
     Random random = new Random();
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/app/AppActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.app;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -32,7 +33,7 @@ public class AppActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.bar;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -27,7 +28,7 @@ public class BarActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarNavActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.bar;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.content.ContextCompat;
 import android.view.View;
 import android.widget.TextView;
@@ -31,7 +32,7 @@ public class BarNavActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarNotificationActivity.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Handler;
+import android.support.annotation.NonNull;
 import android.view.View;
 
 import com.blankj.androidutilcode.R;
@@ -28,7 +29,7 @@ public class BarNotificationActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarStatusActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.bar;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -29,7 +30,7 @@ public class BarStatusActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarStatusAlphaActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.bar;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.SeekBar;
 import android.widget.TextView;
@@ -32,7 +33,7 @@ public class BarStatusAlphaActivity extends BaseActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
         mAlpha = 112;
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarStatusAlphaFragment.java

 package com.blankj.androidutilcode.feature.core.bar;
 
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.SeekBar;
 import android.widget.TextView;
@@ -32,7 +33,7 @@ public class BarStatusAlphaFragment extends BaseLazyFragment {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
         mAlpha = 112;
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarStatusColorActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.bar;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.content.ContextCompat;
 import android.view.View;
 import android.widget.SeekBar;
@@ -39,7 +40,7 @@ public class BarStatusColorActivity extends BaseActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
         mRandom = new Random();
         mColor = ContextCompat.getColor(UtilsApp.getInstance(), R.color.colorPrimary);
         mAlpha = 112;

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarStatusColorFragment.java

 package com.blankj.androidutilcode.feature.core.bar;
 
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.content.ContextCompat;
 import android.view.View;
 import android.widget.SeekBar;
@@ -37,7 +38,7 @@ public class BarStatusColorFragment extends BaseLazyFragment {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
         mRandom = new Random();
         mColor = ContextCompat.getColor(UtilsApp.getInstance(), R.color.colorPrimary);
         mAlpha = 112;

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarStatusDrawerActivity.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.content.ContextCompat;
 import android.view.View;
 import android.widget.Button;
@@ -47,7 +48,7 @@ public class BarStatusDrawerActivity extends BaseDrawerActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
         mRandom = new Random();
         mColor = ContextCompat.getColor(UtilsApp.getInstance(), R.color.colorPrimary);
         mAlpha = 112;

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarStatusFragmentActivity.java

@@ -47,7 +47,7 @@ public class BarStatusFragmentActivity extends BaseActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarStatusImageViewActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.bar;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.SeekBar;
 import android.widget.TextView;
@@ -32,7 +33,7 @@ public class BarStatusImageViewActivity extends BaseActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
         mAlpha = 112;
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarStatusImageViewFragment.java

 package com.blankj.androidutilcode.feature.core.bar;
 
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.SeekBar;
 import android.widget.TextView;
@@ -31,7 +32,7 @@ public class BarStatusImageViewFragment extends BaseLazyFragment {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
         mAlpha = 112;
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/bar/BarStatusSwipeBackActivity.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.content.ContextCompat;
 import android.view.View;
 import android.widget.Button;
@@ -48,7 +49,7 @@ public class BarStatusSwipeBackActivity extends BaseActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
         mRandom = new Random();
         mColor = ContextCompat.getColor(UtilsApp.getInstance(), R.color.colorPrimary);
         mAlpha = 112;

app/src/main/java/com/blankj/androidutilcode/feature/core/clean/CleanActivity.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Environment;
+import android.support.annotation.NonNull;
 import android.view.View;
 
 import com.blankj.androidutilcode.R;
@@ -36,7 +37,7 @@ public class CleanActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/device/DeviceActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.device;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -27,7 +28,7 @@ public class DeviceActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/fragment/ChildFragment.java

@@ -2,6 +2,7 @@ package com.blankj.androidutilcode.feature.core.fragment;
 
 import android.graphics.Color;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -33,7 +34,7 @@ public class ChildFragment extends BaseFragment
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/fragment/FragmentActivity.java

@@ -40,7 +40,7 @@ public class FragmentActivity extends BaseActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/fragment/Root0Fragment.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.fragment;
 import android.graphics.Color;
 import android.os.Build;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.app.Fragment;
 import android.transition.Fade;
 import android.view.View;
@@ -37,7 +38,7 @@ public class Root0Fragment extends BaseFragment
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/fragment/Root1Fragment.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.fragment;
 import android.graphics.Color;
 import android.os.Build;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.app.Fragment;
 import android.transition.Fade;
 import android.view.View;
@@ -37,7 +38,7 @@ public class Root1Fragment extends BaseFragment
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/fragment/Root2Fragment.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.fragment;
 import android.graphics.Color;
 import android.os.Build;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.app.Fragment;
 import android.transition.Fade;
 import android.view.View;
@@ -37,7 +38,7 @@ public class Root2Fragment extends BaseFragment
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/image/ImageActivity.java

@@ -5,6 +5,7 @@ import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.view.View;
@@ -37,7 +38,7 @@ public class ImageActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/keyboard/KeyboardActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.keyboard;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v7.app.AlertDialog;
 import android.view.MotionEvent;
 import android.view.View;
@@ -36,7 +37,7 @@ public class KeyboardActivity extends BaseBackActivity {
     private AlertDialog dialog;
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/log/LogActivity.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Environment;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -81,7 +82,7 @@ public class LogActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/network/NetworkActivity.java

@@ -5,6 +5,7 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -56,7 +57,7 @@ public class NetworkActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/permission/PermissionActivity.java

@@ -5,6 +5,7 @@ import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -38,7 +39,7 @@ public class PermissionActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/phone/PhoneActivity.java

@@ -4,6 +4,7 @@ import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -31,7 +32,7 @@ public class PhoneActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/process/ProcessActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.process;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -32,7 +33,7 @@ public class ProcessActivity extends BaseBackActivity {
     private TextView tvAboutProcess;
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/reflect/ReflectActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.reflect;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -27,7 +28,7 @@ public class ReflectActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/screen/ScreenActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.screen;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.TextView;
@@ -31,7 +32,7 @@ public class ScreenActivity extends BaseActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/sdcard/SDCardActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.sdcard;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -27,7 +28,7 @@ public class SDCardActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/snackbar/SnackbarActivity.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.annotation.StringRes;
 import android.text.SpannableStringBuilder;
 import android.view.View;
@@ -34,7 +35,7 @@ public class SnackbarActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/sp/SPActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.core.sp;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -28,7 +29,7 @@ public class SPActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/span/SpanActivity.java

@@ -12,6 +12,7 @@ import android.graphics.Matrix;
 import android.graphics.Shader;
 import android.graphics.Typeface;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.content.ContextCompat;
 import android.text.Layout;
 import android.text.SpannableStringBuilder;
@@ -68,7 +69,7 @@ public class SpanActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/core/toast/ToastActivity.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.content.ContextCompat;
 import android.view.Gravity;
 import android.view.View;
@@ -31,7 +32,7 @@ public class ToastActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/sub/SubUtilActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.sub;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 
 import com.blankj.androidutilcode.R;
@@ -27,7 +28,7 @@ public class SubUtilActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/sub/brightness/BrightnessActivity.java

@@ -6,6 +6,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.CompoundButton;
 import android.widget.SeekBar;
@@ -78,7 +79,7 @@ public class BrightnessActivity extends BaseActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/sub/location/LocationActivity.java

@@ -6,6 +6,7 @@ import android.content.Intent;
 import android.content.ServiceConnection;
 import android.os.Bundle;
 import android.os.IBinder;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -32,7 +33,7 @@ public class LocationActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }
 

app/src/main/java/com/blankj/androidutilcode/feature/sub/pinyin/PinyinActivity.java

@@ -3,6 +3,7 @@ package com.blankj.androidutilcode.feature.sub.pinyin;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.view.View;
 import android.widget.TextView;
 
@@ -26,7 +27,7 @@ public class PinyinActivity extends BaseBackActivity {
     }
 
     @Override
-    public void initData(Bundle bundle) {
+    public void initData(@NonNull Bundle bundle) {
 
     }