feat: 增加分辨率修改

WebRTCController/app/src/main/java/com/ttstd/controller/MainActivity.java

@@ -11,6 +11,13 @@ import android.widget.FrameLayout;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 import android.widget.Toast;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.Spinner;
+
+import java.util.ArrayList;
+import java.util.List;
 
 import androidx.appcompat.app.AppCompatActivity;
 
@@ -47,6 +54,7 @@ public class MainActivity extends AppCompatActivity {
     private LinearLayout setupPanel;
     private TextView tvStatusControl;
     private TextView tvStats;
+    private Spinner spinnerResolution;
 
     private WebSocketClient wsClient;
     private WebRtcClient webRtcClient;
@@ -89,6 +97,7 @@ public class MainActivity extends AppCompatActivity {
         setupPanel = findViewById(R.id.setup_panel);
         tvStatusControl = findViewById(R.id.tv_status_control);
         tvStats = findViewById(R.id.tv_stats);
+        spinnerResolution = findViewById(R.id.spinner_resolution);
 
         // 默认服务器地址
         etServerUrl.setText("ws://175.178.213.60:8088/ws/signal");
@@ -147,6 +156,7 @@ public class MainActivity extends AppCompatActivity {
             }
         });
 
+        setupResolutionSpinner();
         updateUI(false);
     }
 
@@ -458,11 +468,64 @@ public class MainActivity extends AppCompatActivity {
         tvStatus.setText("状态: 已停止");
     }
 
+    /** 分辨率预设（发送给被控端的 SET_RESOLUTION 参数）。 */
+    private static class ResolutionPreset {
+        final String label;
+        final int width;
+        final int height;
+        final int fps;
+
+        ResolutionPreset(String label, int width, int height, int fps) {
+            this.label = label;
+            this.width = width;
+            this.height = height;
+            this.fps = fps;
+        }
+
+        @Override
+        public String toString() {
+            return label;
+        }
+    }
+
+    /** 构建分辨率下拉框，选择后请求被控端切换采集分辨率。 */
+    private void setupResolutionSpinner() {
+        List<ResolutionPreset> presets = new ArrayList<>();
+        presets.add(new ResolutionPreset("原始画质", 0, 0, 0));   // 被控端原生分辨率
+        presets.add(new ResolutionPreset("1080P", 1920, 0, 0));
+        presets.add(new ResolutionPreset("720P", 1280, 0, 0));
+        presets.add(new ResolutionPreset("480P", 854, 0, 0));
+
+        ArrayAdapter<ResolutionPreset> adapter = new ArrayAdapter<>(
+                this, android.R.layout.simple_spinner_item, presets);
+        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        spinnerResolution.setAdapter(adapter);
+        spinnerResolution.setSelection(0);
+
+        // 先选中默认项再设置监听，避免初始化即触发一次切换。
+        spinnerResolution.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+            @Override
+            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+                ResolutionPreset preset = (ResolutionPreset) parent.getItemAtPosition(position);
+                if (webRtcClient != null) {
+                    webRtcClient.requestResolutionChange(preset.width, preset.height, preset.fps);
+                }
+            }
+
+            @Override
+            public void onNothingSelected(AdapterView<?> parent) {
+            }
+        });
+    }
+
     private void updateUI(boolean connected) {
         setupPanel.setVisibility(connected ? View.GONE : View.VISIBLE);
         controlPanel.setVisibility(connected ? View.VISIBLE : View.GONE);
         btnConnect.setEnabled(!connected);
         btnDisconnect.setEnabled(connected);
+        if (spinnerResolution != null) {
+            spinnerResolution.setEnabled(connected);
+        }
         if (tvStatusControl != null) {
             tvStatusControl.setText(connected ? "远程控制中" : "未连接");
         }