修改下载GT9固件时，找不到bin文件的问题，bin文件要放在根目录下，以GT9110H.bin命名

app/src/main/java/com/example/administrator/wingcool_gt9_apk/FirmwareUpdate.java

@@ -1,5 +1,6 @@
 package com.example.administrator.wingcool_gt9_apk;
 
+import android.Manifest;
 import android.app.Activity;
 import android.app.PendingIntent;
 import android.content.Context;
@@ -23,6 +24,7 @@ import android.os.Message;
 import android.os.SystemClock;
 import android.support.annotation.NonNull;
 import android.support.v4.app.ActivityCompat;
+import android.support.v4.content.ContextCompat;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
@@ -95,6 +97,9 @@ public class FirmwareUpdate extends AppCompatActivity
     private TextView mShow;
     private TextView tvUpDataResult;
     private int iProductId;
+    private byte byProductType = 0;
+    private static final byte GT9 = 0x01;
+    private static final byte GT7 = 0x02;
     
     int FW_HEAD_LENGTH	=		14;
     int FW_SECTION_LENGTH	=	0x2000; 	/** 8K */
@@ -107,8 +112,8 @@ public class FirmwareUpdate extends AppCompatActivity
     int FW_GWAKE_LENGTH		=	(4 * FW_SECTION_LENGTH) ; /**  32k */
 
     int FW_HEAD_OFFSET   =       0;
-    int FW_SS51_OFFSET	 =		(FW_HEAD_OFFSET + FW_HEAD_LENGTH);
-    int FW_DSP_OFFSET	=		(FW_SS51_OFFSET + FW_SS51_LENGTH);
+    int FW_SS51_OFFSET	 =		(FW_HEAD_OFFSET + FW_HEAD_LENGTH);  //14
+    int FW_DSP_OFFSET	=		(FW_SS51_OFFSET + FW_SS51_LENGTH);  //
     int FW_BOOT_OFFSET	=		(FW_DSP_OFFSET + FW_DSP_LENGTH);
     int FW_BOOT_ISP_OFFSET	=	(FW_BOOT_OFFSET + FW_BOOT_LENGTH);
     int FW_GLINK_OFFSET		=	(FW_BOOT_ISP_OFFSET + FW_BOOT_ISP_LENGTH);
@@ -152,8 +157,8 @@ public class FirmwareUpdate extends AppCompatActivity
             switch (msg.what) {
                 case CONNECTED_SUCCESS://车机和手机连接成功
                     btnReadVersion.setEnabled(true);
-                    btn_update.setEnabled(true);
-                    btn_AutoUpdate.setEnabled(true);
+                    //btn_update.setEnabled(true);
+                    //btn_AutoUpdate.setEnabled(true);
                     //loopReceiverMessage();
                     break;
 
@@ -459,6 +464,12 @@ public class FirmwareUpdate extends AppCompatActivity
                                     mUsbDeviceConnection = mUsbManager.openDevice(usbDevice);
                                     if(null != mUsbEndpointIn){
                                         iProductId = usbDevice.getProductId();
+                                        if ((iProductId == 0x0819) || (iProductId == 0x8191))
+                                        {
+                                            byProductType = GT7;
+                                        }else{
+                                            byProductType = GT9;
+                                        }
                                         mHandler.sendEmptyMessage(CONNECTED_SUCCESS);
                                     }
                                 }
@@ -484,7 +495,7 @@ public class FirmwareUpdate extends AppCompatActivity
                 mSendData = mSendGetGt9VersionData;
                 isSendMessage = false;
 
-                if ((iProductId == 0x0819) || (iProductId == 0x8191))
+                if (byProductType == GT7)  //GT7
                 {
                     addressH = (byte)0x82;
                     addressL = (byte)0x40;
@@ -506,7 +517,7 @@ public class FirmwareUpdate extends AppCompatActivity
                         mShow.setText( "Null" );//输出显示
                     }
                 }
-                else
+                else  //GT9
                 {
                     addressH = (byte)0x81;
                     addressL = (byte)0x40;
@@ -539,7 +550,7 @@ public class FirmwareUpdate extends AppCompatActivity
 
                 break;
 
-            case R.id.btnAutoUpdate:
+            case R.id.btnAutoUpdate:  //自动下载固件和配置
                 bottonMode = 3;
                 isReceiverMessage = false;  //升级关闭循环接收信息
                 //mSendData = mSendGetGt9VersionData;
@@ -553,8 +564,9 @@ public class FirmwareUpdate extends AppCompatActivity
                 //mSendData = mSendGetGt9VersionData;
                 isSendMessage = false;
                 //mHandler.sendEmptyMessage(UPDATE_FW);
-                updateProcHandle();
-
+                if (byProductType == GT9) {
+                    updateProcHandle();
+                }
                 break;
 
             default:
@@ -627,8 +639,53 @@ public class FirmwareUpdate extends AppCompatActivity
     protected void onActivityResult ( int requestCode, int resultCode, Intent data){
         if (resultCode == Activity.RESULT_OK) {
             if (requestCode == 1) {
-                Uri uri = data.getData();
-                edit_search.setText(uri.getPath().toString());
+
+                int permission_write = ContextCompat.checkSelfPermission(FirmwareUpdate.this, Manifest.permission.WRITE_EXTERNAL_STORAGE);
+                int permission_read = ContextCompat.checkSelfPermission(FirmwareUpdate.this, Manifest.permission.READ_EXTERNAL_STORAGE);
+
+                if ((permission_write != PackageManager.PERMISSION_GRANTED)
+                        ||(permission_read != PackageManager.PERMISSION_GRANTED))
+                {
+
+                    ActivityCompat.requestPermissions(FirmwareUpdate.this, new String[]{android.Manifest.permission.WRITE_EXTERNAL_STORAGE,
+                            android.Manifest.permission.READ_EXTERNAL_STORAGE}, 3);
+                }
+
+                StringBuffer buffer = new StringBuffer();
+                try {
+
+                    File dir = Environment.getExternalStorageDirectory();
+                    //Uri uri = data.getData();
+                    File dataFile;
+                    if (byProductType == GT9) {  //GT9
+                        edit_search.setText(dir.getPath() + "/GT9110H.bin");
+
+                        dataFile = new File(dir.getPath(), "GT9110H.bin");
+                    }else if (byProductType == GT7){  //GT7
+                        edit_search.setText(dir.getPath() + "/GT738x.bin");
+
+                        dataFile = new File(dir.getPath(), "GT738x.bin");
+                    }else{  //other
+                        edit_search.setText(dir.getPath() + "/GTxxxx.bin");
+
+                        dataFile = new File(dir.getPath(), "GTxxxx.bin");
+                    }
+
+                    FileInputStream fis = new FileInputStream(dataFile);
+
+                    InputStreamReader isr = new InputStreamReader(fis,"UTF-8");//文件编码Unicode,UTF-8,ASCII,GB2312,Big5
+                    Reader in = new BufferedReader(isr);
+                    int ch;
+                    while ((ch = in.read()) > -1) {
+                        buffer.append((char)ch);
+                    }
+                    in.close();
+
+                    btn_update.setEnabled(true);
+
+                } catch (IOException e) {
+                    edit_search.setText(getResources().getString(R.string.invalidfile));
+                }
             }
         }
 
@@ -999,17 +1056,12 @@ public class FirmwareUpdate extends AppCompatActivity
                     }
                 }
             } catch (ArithmeticException e) {
-               // mShow.setText("ArithmeticException!");
                 Update_log2 = Update_log2.concat("ArithmeticException");
                 Update_log2 = Update_log2.concat("\n");
-              //  mHandler.sendEmptyMessage(DEBUG_MESSAGE_ERROR);
                 e.printStackTrace();
             } catch (ArrayIndexOutOfBoundsException e) {
-               // mShow.setText("ArrayIndexOutOfBoundsException!");
-
-                Update_log2 = Update_log2.concat("ArrayIndexOutOfBoundsException");
+                Update_log2 = Update_log2.concat("Recall check success");
                 Update_log2 = Update_log2.concat("\n");
-                //  mHandler.sendEmptyMessage(DEBUG_MESSAGE_ERROR);
                 e.printStackTrace();
             }
         }
@@ -1171,46 +1223,29 @@ public class FirmwareUpdate extends AppCompatActivity
                         config.close();
                         fis.close();
                     }
-
-                }
-                /**
-                for (int i = 0; i < 64; i++) {
-
-                    int k = mGt9FirmwareData[i+FW_DSP_ISP_OFFSET+FW_DSP_ISP_LENGTH-2] & 0xFF;
-                    if(i>1)
-                    {
-                        k= mConfigData[i-2]&0xFF;
-                    }
-                    String hv = Integer.toHexString(k);
-                    stringBuilder.append(hv);
-                    stringBuilder.append(",");
                 }
-               mShow.setText(stringBuilder.toString());*/
-
-
-
-
             } catch (FileNotFoundException e) {
                 e.printStackTrace();
-               // mMessage.setText("文件没被发现");
-                Update_log = "文件没被发现";
+                Update_log = getResources().getString(R.string.invalidfile);
                 mHandler.sendEmptyMessage(DEBUG_MESSAGE_ERROR);
+
+                return false;
             }
             catch (IOException e) {
                 e.printStackTrace();
-               // mMessage.setText("IOException");
                 Update_log = "IOException";
                 mHandler.sendEmptyMessage(DEBUG_MESSAGE_ERROR);
+
+                return false;
             }
 
         }
         else{
-           // mMessage.setText("SD卡不可读写!");
-            Update_log = "SD卡不可读写!";
+            Update_log = getResources().getString(R.string.nopermission);
             mHandler.sendEmptyMessage(DEBUG_MESSAGE_ERROR);
+
+            return false;
         }
-        //return false;
-        //int mOffset = mGt9FirmwareData.length - mDspIsplength;
 
         if (mGt9FirmwareData[1] == 0x01 && mGt9FirmwareData[2] == 0x60) {
             if (!iicWrite(maddressHigh, maddressLow, mGt9FirmwareData, FW_DSP_ISP_OFFSET, FW_DSP_ISP_LENGTH)) {