v0.1.1版本新增浮动粒子控件

app/src/main/AndroidManifest.xml

@@ -39,6 +39,7 @@
         <activity android:name=".meis.MeiVideoDragListActivity"></activity>
         <activity android:name=".meis.MeiMoBikeActivity"></activity>
         <activity android:name=".meis.MeiRoseActivity"></activity>
+        <activity android:name=".meis.MeiFireflyActivity"></activity>
     </application>
 
 </manifest>

app/src/main/java/com/demo/widget/meis/MainActivity.java

@@ -58,4 +58,8 @@ public void onMokibe(View view) {
     public void onRose(View view) {
         startActivity(new Intent(this, MeiRoseActivity.class));
     }
+
+    public void onFirefly(View view) {
+        startActivity(new Intent(this, MeiFireflyActivity.class));
+    }
 }

app/src/main/java/com/demo/widget/meis/MeiFireflyActivity.java

@@ -0,0 +1,25 @@
+package com.demo.widget.meis;
+
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.View;
+
+import com.demo.widget.R;
+import com.demo.widget.utils.Eyes;
+import com.meis.widget.particle.FireflyView;
+
+/**
+ * Created by wenshi on 2018/7/5.
+ * Description 浮动粒子界面
+ */
+public class MeiFireflyActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.mei_fire_fly_activity);
+        Eyes.translucentStatusBar(this, true);
+    }
+}

app/src/main/res/layout/mei_fire_fly_activity.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.meis.widget.particle.FireflyView
+        android:id="@+id/firefly"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:background="@mipmap/ic_firefly_bg"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+
+</android.support.constraint.ConstraintLayout>

app/src/main/res/layout/meis_activity.xml

@@ -192,5 +192,30 @@
 
         </android.support.v7.widget.CardView>
 
+        <android.support.v7.widget.CardView
+            android:id="@+id/cv_firefly"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="8dp"
+            android:layout_marginRight="8dp"
+            android:layout_marginTop="16dp"
+            android:foreground="?attr/selectableItemBackground"
+            android:onClick="onFirefly"
+            app:cardBackgroundColor="@android:color/white"
+            app:cardPreventCornerOverlap="false"
+            app:cardUseCompatPadding="true">
+
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:gravity="center"
+                android:padding="16dp"
+                android:text="浮动粒子"
+                android:textAllCaps="false"
+                android:textColor="#999999"
+                android:textSize="16sp" />
+
+        </android.support.v7.widget.CardView>
+
     </LinearLayout>
 </android.support.v4.widget.NestedScrollView>

widget/src/main/java/com/meis/widget/particle/FireflyView.java

@@ -0,0 +1,164 @@
+package com.meis.widget.particle;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.PixelFormat;
+import android.graphics.PorterDuff;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.Message;
+import android.util.AttributeSet;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+
+import com.meis.widget.R;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Created by wenshi on 2018/7/5.
+ * Description 浮点粒子控件
+ */
+public class FireflyView extends SurfaceView implements SurfaceHolder.Callback {
+
+    // 粒子的最大数量
+    private static final int MAX_NUM = 400;
+    // 粒子集合
+    private List<FloatParticle> mListParticles;
+    // 随机数
+    private Random mRandom;
+
+    private SurfaceHolder mHolder;
+
+    // 动画线程
+    private Handler mHandler;
+
+    // 粒子半径
+    private int mParticleMaxRadius;
+
+    // 粒子数量
+    private int mParticleNum;
+
+    // 粒子移动速率
+    private int mParticleMoveRate;
+
+    private static final int EMPTY_FLAG = 1;
+
+    public FireflyView(Context context) {
+        this(context, null);
+    }
+
+    public FireflyView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public FireflyView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        // 关闭硬件加速
+        setLayerType(LAYER_TYPE_SOFTWARE, null);
+        init();
+
+        TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.FireflyView);
+        mParticleMaxRadius = ta.getInt(R.styleable.FireflyView_firefly_max_radius, 5);
+        mParticleNum = ta.getInt(R.styleable.FireflyView_firefly_num, MAX_NUM);
+        mParticleMoveRate = ta.getInt(R.styleable.FireflyView_firefly_move_rate, 5);
+        ta.recycle();
+    }
+
+    private void init() {
+        // 设置透明
+        setZOrderOnTop(true);
+        // 配合清屏 canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
+        mHolder = getHolder();
+        mHolder.setFormat(PixelFormat.TRANSLUCENT);
+        mHolder.addCallback(this);
+        // 初始化随机数
+        mRandom = new Random();
+    }
+
+    @Override
+    public void surfaceCreated(SurfaceHolder holder) {
+        int measuredWidth = getMeasuredWidth();
+        int measureHeight = getMeasuredHeight();
+
+        initParticlesData(measuredWidth, measureHeight);
+        startAnimation();
+    }
+
+    // 初始化浮点粒子数据
+    private void initParticlesData(int width, int height) {
+        mListParticles = new ArrayList<>();
+        for (int i = 0; i < mParticleNum; i++) {
+            FloatParticle fp = new FloatParticle(width, height);
+            mParticleMaxRadius = mParticleMaxRadius < 2 ? 2 : mParticleMaxRadius;
+            fp.setRadius(mRandom.nextInt(mParticleMaxRadius - 1) + 1);
+            mListParticles.add(fp);
+        }
+    }
+
+    @Override
+    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
+
+    }
+
+    @Override
+    public void surfaceDestroyed(SurfaceHolder holder) {
+        stopAnimation();
+    }
+
+    public void stopAnimation() {
+        mHandler.removeCallbacksAndMessages(null);
+    }
+
+    public void startAnimation() {
+        if (mHandler != null) return;
+        HandlerThread fireThread = new HandlerThread(this.getClass().getName());
+        fireThread.start();
+        mHandler = new Handler(fireThread.getLooper()) {
+            @Override
+            public void handleMessage(Message msg) {
+                super.handleMessage(msg);
+                Canvas mCanvas = mHolder.lockCanvas(null);
+                if (mCanvas != null) {
+                    synchronized (mHolder) {
+                        // 清屏
+                        mCanvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
+                        for (FloatParticle fp : mListParticles) {
+                            fp.drawParticle(mCanvas);
+                        }
+                    }
+                }
+                try {
+                    Thread.sleep(10);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+                if (mCanvas != null) {
+                    mHolder.unlockCanvasAndPost(mCanvas);
+                }
+                mHandler.sendEmptyMessageDelayed(EMPTY_FLAG, mParticleMoveRate);
+            }
+        };
+        mHandler.sendEmptyMessage(EMPTY_FLAG);
+    }
+
+    public int getParticleMoveRate() {
+        return mParticleMoveRate;
+    }
+
+    public void setParticleMoveRate(int particleMoveRate) {
+        mParticleMoveRate = particleMoveRate;
+    }
+
+    public int getParticleMaxRadius() {
+        return mParticleMaxRadius;
+    }
+
+    public int getParticleNum() {
+        return mParticleNum;
+    }
+}