实现了文章翻页功能

reatiny · Jul 2, 2019 · da7327d · da7327d
1 parent 853a41c
commit da7327d
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Showing 6 changed files with 68 additions and 2 deletions.
diff --git a/app/src/main/java/xyz/somelou/rss/article/ArticleActivity.java b/app/src/main/java/xyz/somelou/rss/article/ArticleActivity.java
@@ -16,6 +16,7 @@
 import android.webkit.WebSettings;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
+import android.widget.ImageButton;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -29,21 +30,24 @@
 import xyz.somelou.rss.utils.IntentUtil;
 import xyz.somelou.rss.utils.RSSUtil;
 
-public class ArticleActivity extends AppCompatActivity {
+public class ArticleActivity extends AppCompatActivity implements View.OnClickListener {
     private Toolbar mToolbar;
     private RSSItemBean mItemBean;
     private FavorRSSItemDALImpl favorRSSItemDAL;
     protected static final float FLIP_DISTANCE = 50;
     SmsManager smsManager=SmsManager.getDefault();
 
+    private ImageButton mPreviousBtn;
+    private ImageButton mNextBtn;
+
+
     TextView textView_title;
     TextView textView_author;
     TextView textView_date;
     WebView textView_content;
 
     private int articlePosition;
     RSSUtil rssUtil;
-    GestureDetector mDetector;
     ArrayList<RSSItemBean> list;
 
     @Override
@@ -88,6 +92,11 @@ private void initViews() {
         textView_content = findViewById(R.id.article_content);
         textView_author = findViewById(R.id.subscription_name);
 
+        mPreviousBtn = (ImageButton) findViewById(R.id.previous_btn);
+        mPreviousBtn.setOnClickListener(this);
+        mNextBtn = (ImageButton) findViewById(R.id.next_btn);
+        mNextBtn.setOnClickListener(this);
+
         textView_author.setText(list.get(articlePosition).getAuthor().toString());
         //textView_content.setText(list.get(0).getDescription());
         textView_date.setText(list.get(articlePosition).getPubDate().toString());
@@ -204,7 +213,31 @@ public boolean onMenuItemClick(MenuItem item) {
     }
 
 
+    @Override
+    public void onClick(View v) {
+        if (v == mPreviousBtn) {
+            if(articlePosition<1){
+                Toast.makeText(ArticleActivity.this, "已经是第一篇", Toast.LENGTH_SHORT).show();
+            }else{
+                articlePosition--;
+                textView_author.setText(list.get(articlePosition).getAuthor().toString());
+                textView_date.setText(list.get(articlePosition).getPubDate().toString());
+                textView_title.setText(list.get(articlePosition).getTitle().toString());
+                textView_content.loadUrl(list.get(articlePosition).getUri());
+            }
 
+        } else if (v == mNextBtn) {
+            if(articlePosition>=list.size()-1){
+                Toast.makeText(ArticleActivity.this, "已经是最后一篇", Toast.LENGTH_SHORT).show();
+            }else{
+                articlePosition++;
+                textView_author.setText(list.get(articlePosition).getAuthor().toString());
+                textView_date.setText(list.get(articlePosition).getPubDate().toString());
+                textView_title.setText(list.get(articlePosition).getTitle().toString());
+                textView_content.loadUrl(list.get(articlePosition).getUri());
+            }
+        }
+    }
 }
 
 

diff --git a/app/src/main/res/drawable/ic_keyboard_arrow_down_white_24dp.png b/app/src/main/res/drawable/ic_keyboard_arrow_down_white_24dp.png
diff --git a/app/src/main/res/drawable/ic_keyboard_arrow_up_white_24dp.png b/app/src/main/res/drawable/ic_keyboard_arrow_up_white_24dp.png
diff --git a/app/src/main/res/drawable/rect_selector.xml b/app/src/main/res/drawable/rect_selector.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true" android:drawable="@color/ripple_material_light" />
+    <item android:state_activated="true" android:drawable="@color/ripple_material_light" />
+    <item android:drawable="@android:color/transparent" />
+</selector>
diff --git a/app/src/main/res/layout/activity_article.xml b/app/src/main/res/layout/activity_article.xml
@@ -74,5 +74,31 @@
                      />
             </LinearLayout>
         </ScrollView>
+
+        <LinearLayout
+            android:layout_gravity="bottom"
+            android:orientation="horizontal"
+            android:layout_width="match_parent"
+            android:background="@color/white_93"
+            android:layout_height="wrap_content">
+
+            <ImageButton
+                android:id="@+id/previous_btn"
+                android:src="@drawable/ic_keyboard_arrow_up_white_24dp"
+                android:tint="@color/main_grey_normal"
+                android:background="@drawable/rect_selector"
+                android:layout_width="0dp"
+                android:layout_weight="1"
+                android:layout_height="36dp"/>
+
+            <ImageButton
+                android:id="@+id/next_btn"
+                android:src="@drawable/ic_keyboard_arrow_down_white_24dp"
+                android:tint="@color/main_grey_normal"
+                android:background="@drawable/rect_selector"
+                android:layout_width="0dp"
+                android:layout_weight="1"
+                android:layout_height="36dp"/>
+        </LinearLayout>
     </FrameLayout>
 </LinearLayout>
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
@@ -10,4 +10,5 @@
     <color name="theme_primary">#424242</color>
     <color name="main_grey_dark">#424242</color>
     <color name="main_grey_normal">#9e9e9e</color>
+    <color name="white_93">#eeffffff</color>
 </resources>