加强部分代码判断流程

musicMerge/src/main/java/com/cooleshow/musicmerge/widget/MusicFrequencyView.java

@@ -5,15 +5,11 @@ import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Paint;
-import android.graphics.Path;
-import android.graphics.RectF;
 import android.media.MediaPlayer;
 import android.media.audiofx.Visualizer;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.view.View;
 
-import com.cooleshow.base.utils.LOG;
 import com.cooleshow.base.utils.SizeUtils;
 import com.cooleshow.musicmerge.R;
 
@@ -149,16 +145,20 @@ public class MusicFrequencyView extends View {
      * @param mediaPlayer
      */
     public void setMediaPlayer(final MediaPlayer mediaPlayer) {
-        if (visualizer == null) {
-            visualizer = new Visualizer(mediaPlayer.getAudioSessionId());
-
-            int captureSize = Visualizer.getCaptureSizeRange()[1];
-            int captureRate = Visualizer.getMaxCaptureRate() * 3 / 4;
-            // 3：设置参数
-            visualizer.setCaptureSize(captureSize);
-            visualizer.setDataCaptureListener(dataCaptureListener, captureRate, true, true);
-            visualizer.setScalingMode(Visualizer.SCALING_MODE_NORMALIZED);
-            visualizer.setEnabled(true);
+        try{
+            if (visualizer == null) {
+                visualizer = new Visualizer(mediaPlayer.getAudioSessionId());
+
+                int captureSize = Visualizer.getCaptureSizeRange()[1];
+                int captureRate = Visualizer.getMaxCaptureRate() * 3 / 4;
+                // 3：设置参数
+                visualizer.setCaptureSize(captureSize);
+                visualizer.setDataCaptureListener(dataCaptureListener, captureRate, true, true);
+                visualizer.setScalingMode(Visualizer.SCALING_MODE_NORMALIZED);
+                visualizer.setEnabled(true);
+            }
+        }catch (Exception e){
+            e.printStackTrace();
         }
     }