Recycle TextView, show all activities's fragments.

rome753 · rome753 · commit 85eb2e1f7082 · 2019-09-19T14:20:53.000+08:00
diff --git a/activitytaskview/src/main/java/cc/rome753/activitytask/model/TextViewFractory.java b/activitytaskview/src/main/java/cc/rome753/activitytask/model/TextViewFractory.java
@@ -0,0 +1,42 @@
+package cc.rome753.activitytask.model;
+
+import android.content.Context;
+import android.view.View;
+import android.view.ViewGroup;
+
+import java.util.LinkedList;
+
+import cc.rome753.activitytask.view.ObserverTextView;
+
+public class TextViewFractory {
+
+    LinkedList<ObserverTextView> pool = new LinkedList<>();
+    private static TextViewFractory factory = new TextViewFractory();
+    public static TextViewFractory get() {
+        return factory;
+    }
+
+    public void recycle(ViewGroup viewGroup) {
+        if(viewGroup != null) {
+            for(int i = 0; i < viewGroup.getChildCount(); i++) {
+                View view = viewGroup.getChildAt(i);
+                if(view instanceof ObserverTextView) {
+                    pool.add((ObserverTextView) view);
+                } else if(view instanceof ViewGroup) {
+                    recycle((ViewGroup) view);
+                }
+            }
+        }
+    }
+
+    public ObserverTextView getOne(Context context) {
+        ObserverTextView view;
+        if(pool.isEmpty()) {
+            view = new ObserverTextView(context);
+        } else {
+            view = pool.remove();
+        }
+        return view;
+    }
+
+}
diff --git a/activitytaskview/src/main/java/cc/rome753/activitytask/view/ActivityTaskView.java b/activitytaskview/src/main/java/cc/rome753/activitytask/view/ActivityTaskView.java
@@ -5,6 +5,7 @@
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
+import android.view.ViewGroup;
 import android.view.WindowManager;
 import android.widget.FrameLayout;
 import android.widget.LinearLayout;
@@ -17,6 +18,7 @@
 import cc.rome753.activitytask.R;
 import cc.rome753.activitytask.model.ATree;
 import cc.rome753.activitytask.model.LifecycleInfo;
+import cc.rome753.activitytask.model.TextViewFractory;
 
 /**
  * Created by rome753 on 2017/3/31.
@@ -25,13 +27,12 @@
 public class ActivityTaskView extends LinearLayout {
 
     public static final String TAG = ActivityTaskView.class.getSimpleName();
-    private LinearLayout mLinearLayout;
-    private FrameLayout mContainer;
+    private ViewGroup mLinearLayout;
+    private ViewGroup mContainer;
     private View mTinyView;
     private View mTaskView;
     private View mEmptyView;
 
-    private LifecycleObservable mObservable;
 
     private int mStatusHeight;
     private int mScreenWidth;
@@ -46,7 +47,6 @@ public ActivityTaskView(Context context) {
         mTinyView = findViewById(R.id.tiny_view);
         mTaskView = findViewById(R.id.task_view);
         mEmptyView = findViewById(R.id.view_empty);
-        mObservable = new LifecycleObservable();
     }
 
     public FragmentTaskView findFragmentTaskView(String activity) {
@@ -127,48 +127,37 @@ private void moveToBorder() {
     public void add(LifecycleInfo info) {
         FragmentTaskView view = new FragmentTaskView(getContext());
         view.setTag(info.activity);
-        mContainer.addView(view);
+        mContainer.addView(view, 0);
 
         aTree.add(info.task, info.activity, info.lifecycle);
         notifyData();
     }
 
     public void remove(LifecycleInfo info) {
-        mContainer.removeView(findFragmentTaskView(info.activity));
+        FragmentTaskView view = findFragmentTaskView(info.activity);
+        TextViewFractory.get().recycle(view);
+        mContainer.removeView(view);
 
         aTree.remove(info.task, info.activity);
         notifyData();
     }
 
     public void update(LifecycleInfo info) {
-        if(info.lifecycle.contains("Resume")) {
-            FragmentTaskView view = findFragmentTaskView(info.activity);
-            if(view != null) {
-                view.setVisibility(VISIBLE);
-            }
-        } else if(info.lifecycle.contains("Pause")) {
-            FragmentTaskView view = findFragmentTaskView(info.activity);
-            if(view != null) {
-                view.setVisibility(GONE);
-            }
-        }
-
         aTree.updateLifecycle(info.activity, info.lifecycle);
         notifyData();
     }
 
     private void notifyData() {
+        TextViewFractory.get().recycle(mLinearLayout);
         mLinearLayout.removeAllViews();
-        mObservable.deleteObservers();
         Set<Map.Entry<String, ArrayList<String>>> set = aTree.entrySet();
         for(Map.Entry<String, ArrayList<String>> entry : set) {
             TaskLayout layout = new TaskLayout(getContext());
             layout.setTitle(entry.getKey());
             for (String value : entry.getValue()) {
-                ObserverTextView textView = new ObserverTextView(getContext());
+                ObserverTextView textView = TextViewFractory.get().getOne(getContext());
                 textView.setInfoText(value, aTree.getLifecycle(value));
-                layout.add(textView);
-                mObservable.addObserver(textView);
+                layout.addFirst(textView);
             }
             mLinearLayout.addView(layout, 0);
         }
diff --git a/activitytaskview/src/main/java/cc/rome753/activitytask/view/FragmentTaskView.java b/activitytaskview/src/main/java/cc/rome753/activitytask/view/FragmentTaskView.java
@@ -5,11 +5,11 @@
 import android.util.AttributeSet;
 import android.widget.LinearLayout;
 
-import java.util.HashMap;
 import java.util.List;
 
 import cc.rome753.activitytask.model.FTree;
 import cc.rome753.activitytask.model.LifecycleInfo;
+import cc.rome753.activitytask.model.TextViewFractory;
 
 
 /**
@@ -20,8 +20,6 @@ public class FragmentTaskView extends LinearLayout {
 
     FTree mTree = new FTree();
 
-    LifecycleObservable mLifecycleObservable;
-
     public FragmentTaskView(Context context) {
         this(context, null);
     }
@@ -30,7 +28,6 @@ public FragmentTaskView(Context context, AttributeSet attrs) {
         super(context, attrs);
         setOrientation(VERTICAL);
         setBackgroundColor(Color.parseColor("#333333"));
-        mLifecycleObservable = new LifecycleObservable();
     }
 
     public void add(LifecycleInfo info) {
@@ -49,17 +46,16 @@ public void update(LifecycleInfo info) {
     }
 
     private void notifyData(){
+        TextViewFractory.get().recycle(this);
         removeAllViews();
-        mLifecycleObservable.deleteObservers();
         if(mTree != null){
             List<String> strings = mTree.convertToList();
             for(String s : strings){
-                ObserverTextView textView = new ObserverTextView(getContext());
+                ObserverTextView textView = TextViewFractory.get().getOne(getContext());
                 String[] arr = s.split(String.valueOf('\u2500')); // -
                 String name = arr[arr.length - 1];
                 textView.setInfoText(s, mTree.getLifecycle(name));
                 addView(textView);
-                mLifecycleObservable.addObserver(textView);
             }
         }
     }
diff --git a/activitytaskview/src/main/java/cc/rome753/activitytask/view/TaskLayout.java b/activitytaskview/src/main/java/cc/rome753/activitytask/view/TaskLayout.java
@@ -3,6 +3,7 @@
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.View;
+import android.widget.FrameLayout;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
@@ -13,7 +14,7 @@
  * Created by rome753 on 2017/3/31.
  */
 
-public class TaskLayout extends LinearLayout {
+public class TaskLayout extends FrameLayout {
 
     LinearLayout ll;
     TextView tv;
@@ -33,7 +34,7 @@ public void setTitle(String title) {
         tv.setText("[" + title + "]");
     }
 
-    public void add(View view) {
+    public void addFirst(View view) {
         ll.addView(view, 0);
     }
 
diff --git a/activitytaskview/src/main/res/layout/view_activity_task.xml b/activitytaskview/src/main/res/layout/view_activity_task.xml
@@ -36,13 +36,14 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"/>
 
-        <FrameLayout
+        <LinearLayout
             android:id="@+id/fl"
+            android:orientation="vertical"
             android:layout_marginRight="2dp"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginEnd="2dp">
-        </FrameLayout>
+        </LinearLayout>
         
     </LinearLayout>
 </FrameLayout>
