增加TextBold属性，避免ViewPager的Adapter可能的NPE

chaychan · Mar 11, 2019 · 7216c88 · 7216c88
1 parent 883ed4d
commit 7216c88
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Showing 5 changed files with 25 additions and 3 deletions.
diff --git a/demo/src/main/java/com/chaychan/bottombarlayout/DynamicAddItemActivity.java b/demo/src/main/java/com/chaychan/bottombarlayout/DynamicAddItemActivity.java
@@ -83,6 +83,7 @@ private TabFragment createFragment(int titleId) {
 
     private BottomBarItem createBottomBarItem(int i) {
         BottomBarItem item = new BottomBarItem.Builder(this)
+                .titleTextBold(true)
                 .titleTextSize(8)
                 .titleNormalColor(R.color.tab_normal_color)
                 .titleSelectedColor(R.color.tab_selected_color)

diff --git a/demo/src/main/res/layout/activity_fragment_manager.xml b/demo/src/main/res/layout/activity_fragment_manager.xml
@@ -31,6 +31,7 @@
             app:iconNormal="@mipmap/tab_home_normal"
             app:iconSelected="@mipmap/tab_home_selected"
             app:itemText="@string/tab_home"
+            app:itemTextBold="true"
             app:textColorNormal="@color/tab_normal_color"
             app:textColorSelected="@color/tab_selected_color"
             app:itemTextSize="8sp"
@@ -46,6 +47,7 @@
             app:iconNormal="@mipmap/tab_video_normal"
             app:iconSelected="@mipmap/tab_video_selected"
             app:itemText="@string/tab_video"
+            app:itemTextBold="true"
             app:textColorNormal="@color/tab_normal_color"
             app:textColorSelected="@color/tab_selected_color"
             app:itemTextSize="8sp"
@@ -63,6 +65,7 @@
             app:iconNormal="@mipmap/tab_micro_normal"
             app:iconSelected="@mipmap/tab_micro_selected"
             app:itemText="@string/tab_micro"
+            app:itemTextBold="true"
             app:textColorNormal="@color/tab_normal_color"
             app:textColorSelected="@color/tab_selected_color"
             app:itemTextSize="8sp"
@@ -78,6 +81,7 @@
             app:iconNormal="@mipmap/tab_me_normal"
             app:iconSelected="@mipmap/tab_me_selected"
             app:itemText="@string/tab_me"
+            app:itemTextBold="true"
             app:textColorNormal="@color/tab_normal_color"
             app:textColorSelected="@color/tab_selected_color"
             app:itemTextSize="8sp"

diff --git a/library/src/main/java/com/chaychan/library/BottomBarItem.java b/library/src/main/java/com/chaychan/library/BottomBarItem.java
@@ -29,6 +29,7 @@ public class BottomBarItem extends LinearLayout {
     private Drawable normalIcon;//普通状态图标的资源id
     private Drawable selectedIcon;//选中状态图标的资源id
     private String title;//文本
+    private boolean titleTextBold = false;//文字加粗
     private int titleTextSize = 12;//文字大小 默认为12sp
     private int titleNormalColor;    //描述文本的默认显示颜色
     private int titleSelectedColor;  //述文本的默认选中显示颜色
@@ -83,6 +84,7 @@ private void initAttrs(TypedArray ta) {
         selectedIcon = ta.getDrawable(R.styleable.BottomBarItem_iconSelected);
 
         title = ta.getString(R.styleable.BottomBarItem_itemText);
+        titleTextBold = ta.getBoolean(R.styleable.BottomBarItem_itemTextBold, titleTextBold);
         titleTextSize = ta.getDimensionPixelSize(R.styleable.BottomBarItem_itemTextSize, UIUtils.sp2px(context, titleTextSize));
 
         titleNormalColor = ta.getColor(R.styleable.BottomBarItem_textColorNormal, UIUtils.getColor(context,R.color.bbl_999999));
@@ -157,7 +159,7 @@ private void init() {
         }
 
         mTextView.setTextSize(TypedValue.COMPLEX_UNIT_PX, titleTextSize);//设置底部文字字体大小
-
+        mTextView.getPaint().setFakeBoldText(titleTextBold);
         mTvUnread.setTextSize(TypedValue.COMPLEX_UNIT_PX, unreadTextSize);//设置未读数的字体大小
         mTvUnread.setTextColor(unreadTextColor);//设置未读数字体颜色
         mTvUnread.setBackground(unreadTextBg);//设置未读数背景
@@ -284,6 +286,7 @@ public BottomBarItem create(Builder builder) {
         this.normalIcon = builder.normalIcon;
         this.selectedIcon = builder.selectedIcon;
         this.title = builder.title;
+        this.titleTextBold = builder.titleTextBold;
         this.titleTextSize = builder.titleTextSize;
         this.titleNormalColor = builder.titleNormalColor;
         this.titleSelectedColor = builder.titleSelectedColor;
@@ -312,6 +315,7 @@ public static final class Builder {
         private Drawable normalIcon;//普通状态图标的资源id
         private Drawable selectedIcon;//选中状态图标的资源id
         private String title;//标题
+        private boolean titleTextBold;//文字加粗
         private int titleTextSize;//字体大小
         private int titleNormalColor;    //描述文本的默认显示颜色
         private int titleSelectedColor;  //述文本的默认选中显示颜色
@@ -332,6 +336,7 @@ public static final class Builder {
 
         public Builder(Context context) {
             this.context = context;
+            titleTextBold = false;
             titleTextSize = UIUtils.sp2px(context,12);
             titleNormalColor = getColor(R.color.bbl_999999);
             titleSelectedColor = getColor(R.color.bbl_ff0000);
@@ -374,6 +379,14 @@ public Builder title(String title) {
             return this;
         }
 
+        /**
+         * Sets the title's text bold
+         */
+        public Builder titleTextBold(boolean titleTextBold) {
+            this.titleTextBold = titleTextBold;
+            return this;
+        }
+
         /**
          * Sets the title's text size
          */

diff --git a/library/src/main/java/com/chaychan/library/BottomBarLayout.java b/library/src/main/java/com/chaychan/library/BottomBarLayout.java
@@ -4,6 +4,7 @@
 import android.content.res.TypedArray;
 import android.os.Bundle;
 import android.os.Parcelable;
+import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
 import android.view.View;
@@ -67,7 +68,8 @@ private void init() {
         }
 
         if (mViewPager != null) {
-            if (mViewPager.getAdapter().getCount() != mChildCount) {
+            PagerAdapter adapter = mViewPager.getAdapter();
+            if (adapter != null && adapter.getCount() != mChildCount) {
                 throw new IllegalArgumentException("LinearLayout的子View数量必须和ViewPager条目数量一致");
             }
         }

diff --git a/library/src/main/res/values/attr.xml b/library/src/main/res/values/attr.xml
@@ -10,6 +10,8 @@
         <attr name="itemText" format="string"/>
         <!--文字大小-->
         <attr name="itemTextSize" format="dimension"/>
+        <!--文字加粗-->
+        <attr name="itemTextBold" format="boolean"/>
         <!--默认状态下的文字颜色-->
         <attr name="textColorNormal" format="color"/>
         <!--选中状态下的文字颜色-->
@@ -56,4 +58,4 @@
         <attr name="smoothScroll" format="boolean"/>
     </declare-styleable>
 
-</resources>
+</resources>