check style

Author: cpacm

app/build.gradle

@@ -20,7 +20,6 @@ android {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    testImplementation 'junit:junit:4.12'
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'com.google.android.material:material:1.3.0'
     implementation project(':library')

app/src/androidTest/java/com/cpacm/simpleslider/ApplicationTest.java

@@ -4,10 +4,8 @@
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 
     <application
-        android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"

app/src/main/AndroidManifest.xml

@@ -1,40 +1,55 @@
+/*
+ *  Copyright (C) 2020 cpacm
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
 package com.cpacm.simpleslider;
 
 import android.os.Bundle;
-import android.os.Handler;
+
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
+
 import android.view.MenuItem;
 import android.view.animation.Interpolator;
 
 import com.cpacm.library.SimpleViewPager;
 import com.cpacm.library.transformers.CyclePageTransformer;
 
-import com.cpacm.library.indicator.ViewpagerIndicator.CirclePageIndicator;
 
 public class BasicActivity extends AppCompatActivity {
     private final static int DEFAULT_SCROLL_DURATION = 500;
 
 
     SimpleViewPager simpleSlider, simpleSlider2;
-    private BasicPagerAdapter adapter,adapter2;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_basic);
-        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
-        adapter = new BasicPagerAdapter(this);
-        simpleSlider = (SimpleViewPager) findViewById(R.id.simple_slider);
+        BasicPagerAdapter adapter = new BasicPagerAdapter(this);
+        simpleSlider = findViewById(R.id.simple_slider);
         simpleSlider.setAdapter(adapter);
         simpleSlider.startAutoScroll(true);
         simpleSlider.setSliderTransformDuration(DEFAULT_SCROLL_DURATION, new SpringInterpolator());
 
-        adapter2 = new BasicPagerAdapter(this);
-        simpleSlider2 = (SimpleViewPager) findViewById(R.id.simple_slider2);
+        BasicPagerAdapter adapter2 = new BasicPagerAdapter(this);
+        simpleSlider2 = findViewById(R.id.simple_slider2);
         simpleSlider2.setAdapter(adapter2);
         simpleSlider2.startAutoScroll(true);
         simpleSlider2.setPageTransformer(new CyclePageTransformer(simpleSlider2));//翻页动画*/
@@ -54,7 +69,7 @@ public boolean onOptionsItemSelected(MenuItem item) {
     }
 
     //spring interpolator
-    private final class SpringInterpolator implements Interpolator {
+    private static final class SpringInterpolator implements Interpolator {
 
         private final static float FACTOR = 0.5F;
 

app/src/main/java/com/cpacm/simpleslider/BasicActivity.java

@@ -1,9 +1,27 @@
+/*
+ *  Copyright (C) 2020 cpacm
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
 package com.cpacm.simpleslider;
 
 import android.content.Context;
+
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.viewpager.widget.PagerAdapter;
+
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -20,15 +38,15 @@
  */
 public class BasicPagerAdapter extends PagerAdapter {
 
-    private List<Integer> covers;
-    private LayoutInflater layoutInflater;
+    private final List<Integer> covers;
+    private final LayoutInflater layoutInflater;
 
     public BasicPagerAdapter(Context context) {
         covers = getBannerList();
         layoutInflater = LayoutInflater.from(context);
     }
 
-    public void setCovers(){
+    public void setCovers() {
         covers.clear();
         covers.add(R.drawable.cover00);
         covers.add(R.drawable.cover01);

app/src/main/java/com/cpacm/simpleslider/BasicPagerAdapter.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2016 cpacm
+ *  Copyright (C) 2020 cpacm
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -17,8 +17,11 @@
 package com.cpacm.simpleslider;
 
 import androidx.appcompat.app.AppCompatActivity;
+
 import android.os.Bundle;
+
 import androidx.appcompat.widget.Toolbar;
+
 import android.view.Menu;
 import android.view.MenuItem;
 
@@ -33,13 +36,6 @@
 
 public class IndicatorActivity extends AppCompatActivity {
 
-    private SimpleViewPager simpleSliderLayout;
-    private CirclePageIndicator circlePageIndicator;
-    private IconPageIndicator iconPageIndicator;
-    private LinePageIndicator linePageIndicator;
-    private UnderlinePageIndicator underlinePageIndicator;
-    private SpringIndicator springIndicator;
-
     private static final int[] ICONS = new int[]{
             R.drawable.perm_group_calendar,
             R.drawable.perm_group_camera,
@@ -51,28 +47,28 @@ public class IndicatorActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_indicator);
-        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
-        simpleSliderLayout = (SimpleViewPager) findViewById(R.id.simple_slider);
+        SimpleViewPager simpleSliderLayout = findViewById(R.id.simple_slider);
         simpleSliderLayout.setAdapter(new BasicPagerAdapter(this));
         simpleSliderLayout.setPageTransformer(new ZoomOutSlideTransformer());//翻页动画
 
-        circlePageIndicator = (CirclePageIndicator) findViewById(R.id.circle_indicator);
+        CirclePageIndicator circlePageIndicator = findViewById(R.id.circle_indicator);
         circlePageIndicator.setViewPager(simpleSliderLayout);
 
-        iconPageIndicator = (IconPageIndicator) findViewById(R.id.icon_indicator);
+        IconPageIndicator iconPageIndicator = findViewById(R.id.icon_indicator);
         iconPageIndicator.setIconRes(ICONS);
         iconPageIndicator.setViewPager(simpleSliderLayout);
 
-        linePageIndicator = (LinePageIndicator) findViewById(R.id.line_indicator);
+        LinePageIndicator linePageIndicator = findViewById(R.id.line_indicator);
         linePageIndicator.setViewPager(simpleSliderLayout);
 
-        underlinePageIndicator = (UnderlinePageIndicator) findViewById(R.id.underline_indicator);
+        UnderlinePageIndicator underlinePageIndicator = findViewById(R.id.underline_indicator);
         underlinePageIndicator.setViewPager(simpleSliderLayout);
 
-        springIndicator = (SpringIndicator) findViewById(R.id.spring_indicator);
+        SpringIndicator springIndicator = findViewById(R.id.spring_indicator);
         springIndicator.setViewPager(simpleSliderLayout);
     }
 

app/src/main/java/com/cpacm/simpleslider/IndicatorActivity.java

@@ -16,13 +16,16 @@
 
 package com.cpacm.simpleslider;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
+
 import android.os.Bundle;
+
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.appcompat.widget.Toolbar;
+
 import android.view.LayoutInflater;
-import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
@@ -56,26 +59,24 @@
 public class TransformActivity extends AppCompatActivity {
 
     private SimpleViewPager simpleViewPager;
-    private RecyclerView transformList;
     private List<BaseTransformer> transformers;
     private List<String> transformerNames;
-    private TransformAdapter transformAdapter;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_transform);
-        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-        simpleViewPager = (SimpleViewPager) findViewById(R.id.simple_slider);
+        simpleViewPager = findViewById(R.id.simple_slider);
         simpleViewPager.startAutoScroll(true);
 
         initTransforms();
 
-        transformList = (RecyclerView) findViewById(R.id.transform_list);
+        RecyclerView transformList = findViewById(R.id.transform_list);
         transformList.setLayoutManager(new LinearLayoutManager(this));
-        transformAdapter = new TransformAdapter();
+        TransformAdapter transformAdapter = new TransformAdapter();
         transformList.setAdapter(transformAdapter);
 
         simpleViewPager.setAdapter(new BasicPagerAdapter(this));
@@ -98,8 +99,9 @@ public class TransformAdapter extends RecyclerView.Adapter<TransformAdapter.Norm
 
         private int selectIndex = -1;
 
+        @NonNull
         @Override
-        public NormalTextViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        public NormalTextViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
             return new NormalTextViewHolder(LayoutInflater.from(TransformActivity.this).inflate(R.layout.list_item, parent, false));
         }