优化Handler防止内存泄漏

mCyp · Apr 11, 2019 · 822e6fd · 822e6fd
1 parent 86d0143
commit 822e6fd
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Showing 10 changed files with 161 additions and 48 deletions.
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
diff --git a/.idea/misc.xml b/.idea/misc.xml
diff --git a/README.md b/README.md
@@ -1,3 +1,3 @@
-# 弹幕图片
+# BarragePhoto
 
-- [ ] 两周内写完这个库 GO~
+轻量级、多视图和防碰撞的弹幕控件
diff --git a/app/src/main/java/com/borient/tea/arragephotoview/MainActivity.java b/app/src/main/java/com/borient/tea/arragephotoview/MainActivity.java
@@ -8,9 +8,11 @@
 import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import com.borient.tea.arragephotoview.data.BarrageData;
 import com.bumptech.glide.Glide;
+import com.orient.tea.barragephoto.adapter.AdapterListener;
 import com.orient.tea.barragephoto.adapter.BarrageAdapter;
 import com.orient.tea.barragephoto.ui.BarrageView;
 
@@ -25,7 +27,7 @@ public class MainActivity extends AppCompatActivity {
     private final int ICON_RESOURCES[] = {R.drawable.icon1, R.drawable.icon2, R.drawable.icon3, R.drawable.icon4, R.drawable.icon5};
 
     private BarrageView barrageView;
-    private BarrageAdapter<BarrageData,ViewHolder> mAdapter;
+    private BarrageAdapter<BarrageData, ViewHolder> mAdapter;
     private Button mAdd;
     private List<BarrageData> barrageDataList = new ArrayList<>();
 
@@ -37,16 +39,30 @@ protected void onCreate(Bundle savedInstanceState) {
         mAdd = findViewById(R.id.btn_add);
         barrageView = findViewById(R.id.barrage);
         barrageView.setInterval(20);
+        barrageView.setDuration(10000, 2000);
         barrageView.setModel(BarrageView.MODEL_COLLISION_DETECTION);
-        barrageView.setAdapter(mAdapter = new BarrageAdapter<BarrageData, ViewHolder>(null,this) {
+        barrageView.setInterceptTouchEvent(true
+        );
+        barrageView.setAdapter(mAdapter = new BarrageAdapter<BarrageData, ViewHolder>(null, this) {
             @Override
             public ViewHolder onCreateViewHolder(View root, int type) {
                 return new ViewHolder(root);
             }
 
             @Override
             public int getItemLayout(BarrageData barrageData) {
-                return R.layout.item_barrage;
+                switch (barrageData.getType()) {
+                    case 0:
+                        return R.layout.item_barrage;
+                    default:
+                        return R.layout.item_barrage_bigger;
+                }
+            }
+        });
+        mAdapter.setAdapterListener(new AdapterListener<BarrageData>() {
+            @Override
+            public void onItemClick(BarrageAdapter.BarrageViewHolder<BarrageData> holder, BarrageData item) {
+                Toast.makeText(MainActivity.this,item.getContent()+"点击了一次",Toast.LENGTH_SHORT).show();
             }
         });
 
@@ -60,10 +76,10 @@ public void onClick(View v) {
         });
     }
 
-    private void initData(){
+    private void initData() {
         int strLength = SEED.length;
-        for(int i = 0;i<50;i++){
-            mAdapter.add(new BarrageData(SEED[random.nextInt(strLength-1)],1));
+        for (int i = 0; i < 50; i++) {
+            mAdapter.add(new BarrageData(SEED[random.nextInt(strLength - 1)], random.nextInt(2)));
         }
     }
 
@@ -74,7 +90,7 @@ protected void onDestroy() {
         barrageView.destroy();
     }
 
-    class ViewHolder extends BarrageAdapter.BarrageViewHolder<BarrageData>{
+    class ViewHolder extends BarrageAdapter.BarrageViewHolder<BarrageData> {
 
         private ImageView mHeadView;
         private TextView mContent;

diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout 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:layout_width="match_parent"
@@ -16,7 +16,6 @@
     <com.orient.tea.barragephoto.ui.BarrageView
         android:id="@+id/barrage"
         android:layout_width="match_parent"
-        android:background="@color/colorPrimary"
         android:layout_height="match_parent"/>
 
-</LinearLayout>
+</RelativeLayout>
diff --git a/app/src/main/res/layout/item_barrage_bigger.xml b/app/src/main/res/layout/item_barrage_bigger.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:background="@color/colorAccent"
+    android:layout_height="wrap_content"
+    android:orientation="horizontal"
+    >
+
+    <ImageView
+        android:id="@+id/image"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:src="@drawable/icon1"
+        android:scaleType="centerCrop"
+        />
+
+    <TextView
+        android:id="@+id/content"
+        android:layout_width="wrap_content"
+        android:layout_height="40dp"
+        android:text="sssss"
+        android:textSize="20sp"
+        android:gravity="center_vertical"
+        />
+
+</LinearLayout>
diff --git a/barragephoto/src/main/java/com/orient/tea/barragephoto/adapter/BarrageAdapter.java b/barragephoto/src/main/java/com/orient/tea/barragephoto/adapter/BarrageAdapter.java
@@ -17,6 +17,7 @@
 import com.orient.tea.barragephoto.model.DataSource;
 import com.orient.tea.barragephoto.ui.IBarrageView;
 
+import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.LinkedList;
@@ -54,7 +55,8 @@ public abstract class BarrageAdapter<T extends DataSource, VH extends BarrageAda
     // 单线程的消息对立
     private ExecutorService mService = Executors.newSingleThreadExecutor();
     // 主线程的Handler
-    private Handler mHandler = new Handler(Looper.getMainLooper()){
+    private BarrageAdapterHandler<T> mHandler = new BarrageAdapterHandler<>(Looper.getMainLooper(),this);
+    /*private Handler mHandler = new Handler(Looper.getMainLooper()){
         @Override
         public void handleMessage(Message msg) {
             super.handleMessage(msg);
@@ -73,7 +75,7 @@ public void handleMessage(Message msg) {
             }
 
         }
-    };
+    };*/
 
 
     public BarrageAdapter(AdapterListener<T> adapterListener,Context context) {
@@ -83,6 +85,10 @@ public BarrageAdapter(AdapterListener<T> adapterListener,Context context) {
         this.mDataList = new LinkedList<>();
     }
 
+    public void setAdapterListener(AdapterListener<T> adapterListener){
+        this.mAdapterListener = adapterListener;
+    }
+
 
     public void setBarrageView(IBarrageView barrageView){
         this.barrageView = barrageView;
@@ -249,4 +255,33 @@ public void run() {
             }
         }
     }
+
+    public static class BarrageAdapterHandler<T extends DataSource> extends Handler{
+        private WeakReference<BarrageAdapter> adapterReference;
+
+        public BarrageAdapterHandler(Looper looper,BarrageAdapter adapter) {
+            super(looper);
+            adapterReference = new WeakReference<BarrageAdapter>(adapter);
+        }
+
+        @Override
+        public void handleMessage(Message msg) {
+            super.handleMessage(msg);
+
+            switch (msg.what){
+                case MSG_CREATE_VIEW:{
+                    T data = (T)adapterReference.get().mDataList.remove();
+                    if(data == null)
+                        break;
+                    if(adapterReference.get().barrageView == null)
+                        throw new RuntimeException("please set barrageView,barrageView can't be null");
+                    // get from cache
+                    View cacheView = adapterReference.get().barrageView.getCacheView(data.getType());
+                    adapterReference.get().createItemView(data,cacheView);
+                }
+            }
+
+        }
+
+    }
 }