修复无法在程序内修改音量的问题 (#66)

* 修复无法调整音量的问题 * fix * fix * fix * update
Eanya-Tonic · Jun 5, 2024 · d8113d8 · d8113d8
1 parent 94636ee
commit d8113d8
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -4,6 +4,7 @@
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
 
     <uses-feature
         android:name="android.hardware.touchscreen"

diff --git a/app/src/main/java/com/eanyatonic/cctvViewer/MainActivity.java b/app/src/main/java/com/eanyatonic/cctvViewer/MainActivity.java
@@ -4,6 +4,7 @@
 
 import android.content.Context;
 import android.content.SharedPreferences;
+import android.media.AudioManager;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
@@ -39,6 +40,8 @@
 
 public class MainActivity extends AppCompatActivity {
 
+    private AudioManager audioManager;
+
     private WebView webView; // 导入 WebView
 
     private String[] liveUrls = {
@@ -173,6 +176,9 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
+        // 获取 AudioManager 实例
+        audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
+
         // 初始化 WebView
         webView = findViewById(R.id.webView);
 
@@ -470,7 +476,11 @@ private void getDivDisplayPropertyAndDoSimulateTouch() {
     @Override
     public boolean dispatchKeyEvent(KeyEvent event) {
         if (event.getAction() == KeyEvent.ACTION_DOWN) {
-            if (menuOverlay.hasFocus()) {
+            if (event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_UP) {
+                audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI);
+            } else if (event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_DOWN) {
+                audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_LOWER, AudioManager.FLAG_SHOW_UI);
+            } else if (menuOverlay.hasFocus()) {
                 // menuOverlay具有焦点
                 if(event.getKeyCode() == KeyEvent.KEYCODE_BACK){
                     // 按下返回键