修复一个设计问题

Author: ForgetAll

LoadingDialog/src/main/java/com/xiasuhuei321/loadingdialog/view/FinishDrawListener.java

@@ -0,0 +1,16 @@
+package com.xiasuhuei321.loadingdialog.view;
+
+import android.view.View;
+
+/**
+ * Created by Luo_xiasuhuei321@163.com on 2016/11/6.
+ * desc:
+ */
+public interface FinishDrawListener {
+    /**
+     * 分发绘制完成事件
+     *
+     * @param v 绘制完成的View
+     */
+    void dispatchFinishEvent(View v);
+}

LoadingDialog/src/main/java/com/xiasuhuei321/loadingdialog/view/LoadingDialog.java

@@ -21,7 +21,7 @@
  * Created by Luo on 2016/9/23.
  * desc:加载等待的Dialog
  */
-public class LoadingDialog {
+public class LoadingDialog implements FinishDrawListener {
     private Context mContext;
 
     private LVCircularRing mLoadingView;
@@ -41,6 +41,7 @@ public class LoadingDialog {
     private int speed = 1;
     private long time = 1000;
 
+
     public enum Speed {
         SPEED_ONE,
         SPEED_TWO
@@ -76,6 +77,7 @@ private void initView(View view) {
         loadingText = (TextView) view.findViewById(R.id.loading_text);
         mSuccessView = (RightDiaView) view.findViewById(R.id.rdv_right);
         mFailedView = (WrongDiaView) view.findViewById(R.id.wv_wrong);
+
         initData();
     }
 
@@ -84,6 +86,18 @@ private void initData() {
         viewList.add(mLoadingView);
         viewList.add(mSuccessView);
         viewList.add(mFailedView);
+
+        mSuccessView.setOnDrawFinishListener(this);
+        mFailedView.setOnDrawFinishListener(this);
+    }
+
+    @Override
+    public void dispatchFinishEvent(View v) {
+        if (v instanceof WrongDiaView) {
+            h.sendEmptyMessageDelayed(2, time);
+        } else {
+            h.sendEmptyMessageDelayed(1, time);
+        }
     }
 
     private void hideAll() {
@@ -186,7 +200,6 @@ public void loadSuccess() {
         mSuccessView.setDrawDynamic(openSuccessAnim);
         mSuccessView.setVisibility(View.VISIBLE);
         loadingText.setText(loadSuccessStr);
-        h.sendEmptyMessageDelayed(1, time);
     }
 
     /**
@@ -198,7 +211,6 @@ public void loadFailed() {
         mFailedView.setDrawDynamic(openFailedAnim);
         mFailedView.setVisibility(View.VISIBLE);
         loadingText.setText(loadFailedStr);
-        h.sendEmptyMessageDelayed(2, time);
     }
 
     /**

LoadingDialog/src/main/java/com/xiasuhuei321/loadingdialog/view/RightDiaView.java

@@ -16,6 +16,8 @@
 public class RightDiaView extends View {
     private final String TAG = this.getClass().getSimpleName();
 
+    private FinishDrawListener listener;
+
     private Context mContext;
     private int mWidth = 0;
     private float mPadding = 0f;
@@ -85,9 +87,13 @@ protected void onDraw(Canvas canvas) {
             drawDynamic(canvas);
         else {
             drawStatic(canvas);
+            if (listener != null)
+                listener.dispatchFinishEvent(this);
         }
     }
 
+    private int count = 0;
+
     private void drawDynamic(Canvas canvas) {
         if (progress < 100)
             progress += speed;
@@ -125,6 +131,13 @@ private void drawDynamic(Canvas canvas) {
         }
 
         if (line2_x > radius && progress >= 100 && line1_x != radius / 3) {
+            //1.只分发一次绘制完成的事件
+            //2.只在最后一次绘制时分发
+            if (count == 0 && times == 0 && listener != null) {
+                listener.dispatchFinishEvent(this);
+                count++;
+            }
+
             times--;
             if (times >= 0) {
                 reDraw();
@@ -196,5 +209,8 @@ protected void setDrawColor(int color) {
         mPaint.setColor(color);
     }
 
+    public void setOnDrawFinishListener(FinishDrawListener f) {
+        this.listener = f;
+    }
 }
 

LoadingDialog/src/main/java/com/xiasuhuei321/loadingdialog/view/SizeUtils.java

@@ -7,11 +7,11 @@
  * desc:
  */
 
-class SizeUtils {
+public class SizeUtils {
     /**
      * dp转px
      */
-    static int dip2px(Context context, float dpValue) {
+    public static int dip2px(Context context, float dpValue) {
         final float scale = context.getResources().getDisplayMetrics().density;
         return (int) (dpValue * scale + 0.5f);
     }

LoadingDialog/src/main/java/com/xiasuhuei321/loadingdialog/view/WrongDiaView.java

@@ -16,6 +16,8 @@
 public class WrongDiaView extends View {
     private final String TAG = this.getClass().getSimpleName();
 
+    private FinishDrawListener listener;
+
     private Context mContext;
     private int mWidth = 0;
     private float mPadding = 0f;
@@ -31,6 +33,7 @@ public class WrongDiaView extends View {
     private int times = 0;
     private boolean drawEveryTime = true;
     private int speed = 1;
+    private int count = 0;
 //    private int color;
 
     public WrongDiaView(Context context) {
@@ -102,6 +105,8 @@ protected void onDraw(Canvas canvas) {
             drawDynamic(canvas);
         else {
             drawStatic(canvas);
+            if (listener != null)
+                listener.dispatchFinishEvent(this);
         }
     }
 
@@ -139,6 +144,12 @@ private void drawDynamic(Canvas canvas) {
                     line2_startX + line2_x, line1_start + line2_y, mPaint);
 
             if ((line2_startX - line2_y) < line1_start) {
+                //1.只分发一次绘制完成的事件
+                //2.只在最后一次绘制时分发
+                if (count == 0 && times == 0 && listener != null) {
+                    listener.dispatchFinishEvent(this);
+                    count++;
+                }
                 times--;
                 if (times >= 0) {
                     reDraw();
@@ -206,4 +217,8 @@ protected void setSpeed(int speed) {
     protected void setDrawColor(int color) {
         mPaint.setColor(color);
     }
+
+    public void setOnDrawFinishListener(FinishDrawListener f) {
+        this.listener = f;
+    }
 }

app/src/main/java/com/xiasuhuei321/sample/MainActivity.java

@@ -110,6 +110,7 @@ public void onClick(View v) {
                         .setLoadSpeed(speed)
                         .setRepeatCount(repeatTime)
                         .setDrawColor(color)
+                        .setShowTime(5000)//延时5秒自动关闭，默认1秒
                         .show();
                 h.sendEmptyMessageDelayed(LOAD_FAILED, delayedTime);
                 saveForThesePeopleWhoDoNotCallCloseAndUseInterceptBackMethod(intercept_back_event);
@@ -145,6 +146,11 @@ public void onClick(View v) {
         }
     }
 
+    /**
+     * 本来是想借此给拦截了back导致无法返回用户界面的情况，给出一种解决方法，
+     * 已写入api中，你可以调用setShowTime()来指定反馈dialog展示的时长（自完全绘制完毕开始计算），
+     * 但是需要注意的是loading界面仍然可能导致用户无法与你的界面交互。
+     */
     private void saveForThesePeopleWhoDoNotCallCloseAndUseInterceptBackMethod(boolean intercept_back_event) {
         if (intercept_back_event) {
             Toast.makeText(this, "don't be worried,this dialog will be closed " +
@@ -170,7 +176,7 @@ public boolean onOptionsItemSelected(MenuItem item) {
             case R.id.speed:
                 speed = speed == LoadingDialog.Speed.SPEED_ONE ?
                         LoadingDialog.Speed.SPEED_TWO : LoadingDialog.Speed.SPEED_ONE;
-                int speedInfo = 1;
+                int speedInfo;
                 if (speed == LoadingDialog.Speed.SPEED_ONE) {
                     speedInfo = 1;
                 } else {
@@ -181,14 +187,18 @@ public boolean onOptionsItemSelected(MenuItem item) {
 
             case R.id.intercept:
                 intercept_back_event = !intercept_back_event;
-                Toast.makeText(this, "now the dialog will intercept the back event", Toast.LENGTH_SHORT).show();
+                if (intercept_back_event)
+                    Toast.makeText(this, "now the dialog will intercept the back event", Toast.LENGTH_SHORT).show();
+                else{
+                    Toast.makeText(this, "now the dialog will accept the back event", Toast.LENGTH_SHORT).show();
+                }
                 break;
             case R.id.repeat:
                 repeatTime = repeatTime == 0 ? 1 : 0;
                 Toast.makeText(this, "now the loading callback will be draw:" + (repeatTime + 1) + " times", Toast.LENGTH_SHORT).show();
                 break;
             case R.id.color:
-                color = color == Color.WHITE ? Color.BLUE : Color.WHITE;
+                color = color == Color.argb(100, 255, 255, 255) ? Color.BLUE : Color.argb(100, 255, 255, 255);
                 Toast.makeText(this, "now the color is:" + color, Toast.LENGTH_SHORT).show();
                 break;
         }