request permission

Author: GitHubZJY

app/src/main/java/com/zjy/audiovisualizeview/MainActivity.java

@@ -1,14 +1,21 @@
 package com.zjy.audiovisualizeview;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
 
+import android.Manifest;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
+import android.widget.Toast;
 
 import com.zjy.audiovisualize.view.AudioVisualizeView;
+import com.zjy.audiovisualizeview.utils.PermissionUtils;
 
 public class MainActivity extends AppCompatActivity {
 
     private AudioVisualizeView vAudioVisualize;
+    private static final int RECORD_AUDIO = 10001;
+    private static final int READ_EXTERNAL_STORAGE = 10002;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -17,6 +24,23 @@ protected void onCreate(Bundle savedInstanceState) {
 
         vAudioVisualize = findViewById(R.id.audio_visualize_view);
         vAudioVisualize.doPlay(R.raw.sound);
+
+        PermissionUtils.requestPermission(MainActivity.this, Manifest.permission.RECORD_AUDIO, RECORD_AUDIO);
+        PermissionUtils.requestPermission(MainActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE, READ_EXTERNAL_STORAGE);
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        switch (requestCode) {
+            case RECORD_AUDIO:
+            case READ_EXTERNAL_STORAGE:
+                if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {
+                    Toast.makeText(this, "Permission Denied", Toast.LENGTH_SHORT).show();
+                }
+                break;
+            default:
+                super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        }
     }
 
     @Override

app/src/main/java/com/zjy/audiovisualizeview/utils/PermissionUtils.java

@@ -0,0 +1,28 @@
+package com.zjy.audiovisualizeview.utils;
+
+import android.app.Activity;
+import android.content.pm.PackageManager;
+import android.os.Build;
+
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+
+/**
+ * Date: 2020/11/17
+ * Author: Yang
+ * Describe:
+ */
+public class PermissionUtils {
+
+    public static boolean requestPermission(Activity activity, String permission, int requestCode) {
+        //判断Android版本是否大于23
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            int checkCallPhonePermission = ContextCompat.checkSelfPermission(activity, permission);
+            if (checkCallPhonePermission != PackageManager.PERMISSION_GRANTED) {
+                ActivityCompat.requestPermissions(activity, new String[]{permission}, requestCode);
+                return false;
+            }
+        }
+        return true;
+    }
+}

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

@@ -11,7 +11,6 @@
         android:id="@+id/audio_visualize_view"
         android:text="Hello World!"
         app:visualize_ratio="2"
-        app:visualize_mode="net"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         app:layout_constraintBottom_toBottomOf="parent"