refactor: touch implementation, ratio switching

- 重写了触控实现
- 串流过程中自动切换横竖屏
- 禁用了全屏控制页中的预测性返回手势

app/src/main/AndroidManifest.xml

@@ -18,6 +18,7 @@
 
         <activity
             android:name=".MainActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize|smallestScreenSize"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />