diff --git a/app/src/main/java/com/xypower/mpremote/DeviceActivity.java b/app/src/main/java/com/xypower/mpremote/DeviceActivity.java
index b7ddc2e..afe8803 100644
--- a/app/src/main/java/com/xypower/mpremote/DeviceActivity.java
+++ b/app/src/main/java/com/xypower/mpremote/DeviceActivity.java
@@ -35,6 +35,7 @@ import org.json.JSONObject;
 import java.io.File;
 import java.net.Socket;
 import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
@@ -154,6 +155,48 @@ public class DeviceActivity extends AppCompatActivity {
             }
         });
 
+        binding.takePhoto2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                takePhoto(2, 255, true);
+            }
+        });
+
+        binding.takeVideo2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                takeVideo(2, 255, false);
+            }
+        });
+
+        binding.takePhoto3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                takePhoto(3, 255, true);
+            }
+        });
+
+        binding.takeVideo3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                takeVideo(3, 255, false);
+            }
+        });
+
+        binding.takePhoto4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                takePhoto(4, 255, true);
+            }
+        });
+
+        binding.takeVideo4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                takeVideo(4, 255, false);
+            }
+        });
+
         loadDeviceInfo(context, true);
     }
 
@@ -197,7 +240,6 @@ public class DeviceActivity extends AppCompatActivity {
 
             private void runImpl() {
                 Log.d(TAG, "Adb discovering " + mDeviceIp);
-                // Dadb adb = Dadb.discover(mDeviceIp, mAdbKeyPair);
 
                 Dadb adb = Dadb.create(mDeviceIp, AdbUtils.DEFAULT_ADB_PORT, mAdbKeyPair);
 
@@ -488,8 +530,9 @@ public class DeviceActivity extends AppCompatActivity {
         leftTopOsd += simpleDateFormat2.format(dt) + " ";
         leftTopOsd += "CH:" + Integer.toString(channel) + " ";
 
-        leftTopOsd = leftTopOsd.replaceAll("\\\\", "\\\\\\\\");
-        leftTopOsd = leftTopOsd.replaceAll(" ", "\\\\ ");
+        // leftTopOsd = leftTopOsd.replaceAll("\\\\", "\\\\\\\\");
+        // leftTopOsd = leftTopOsd.replaceAll(" ", "\\\\ ");
+        byte[] leftTopOsdBytes = leftTopOsd.getBytes(StandardCharsets.UTF_8);
 
         String usb = (channel == 4) ? "true" : "false";
         JSONObject channelJson = (JSONObject) mChannelCfgs.get(Integer.valueOf(channel));
@@ -498,9 +541,10 @@ public class DeviceActivity extends AppCompatActivity {
             usb = (usbCamera != 0) ? "true" : "false";
             cameraId = channelJson.optInt("cameraId", cameraId);
         }
-        final String cmd = "am start -n " + PACKAGE_NAME_MP + "/" + PACKAGE_NAME_MP + ".BridgeActivity --es action \"take_photo\" --es path \""
-                + remoteFilePath + "\" --ez usb " + usb + " --ei cameraId " + Integer.toString(cameraId) + " --ei channel "
-                + Integer.toString(channel) + " --ei preset " + Integer.toString(preset) + " --es leftTopOsd \"" + leftTopOsd + "\"";
+        // content update --uri content://com.xypower.mpapp.provider/importPriKey
+        final String cmd = "content update --uri content://" + PACKAGE_NAME_MP + ".provider/takePhoto --bind path:s:\""
+                + remoteFilePath + "\" --bind usb:b:" + usb + " --bind cameraId:i:" + Integer.toString(cameraId) + " --bind channel:i:"
+                + Integer.toString(channel) + " --bind preset:i:" + Integer.toString(preset) + " --bind leftTopOsd:s:" + Base64.encodeToString(leftTopOsdBytes, Base64.DEFAULT | Base64.NO_WRAP) + "";
         // adbShellResponse = null;
 
         takePhotoImpl(cmd, channel, preset, fileName, remoteFilePath, photoOrVideo, 0);