update android demo.

Author: yu.zuo

example/android/test_cpphttplib_for_app_on_android/.idea/vcs.xml

@@ -16,8 +16,8 @@ android {
                         '-DANDROID_STL=c++_shared',
                         '-DANDROID_ARM_NEON=TRUE',
                         "-DANDROID_CPP_FEATURES=rtti exceptions"
-                        '-DANDROID_ABI=arm64-v8a'
-                abiFilters "arm64-v8a"
+//                        '-DANDROID_ABI=arm64-v8a'
+                abiFilters 'arm64-v8a'
             }
         }
     }

example/android/test_cpphttplib_for_app_on_android/app/build.gradle

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.citylife.test_cpphttplib_for_app_on_android">
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
 
     <application
         android:allowBackup="true"

example/android/test_cpphttplib_for_app_on_android/app/src/main/AndroidManifest.xml

@@ -12,7 +12,7 @@
 
 
 //#define CA_CERT_FILE "./ca-bundle.crt"
-#define CA_CERT_FILE "ca-bundle.crt"
+#define CA_CERT_FILE "/storage/emulated/0/test_cpphttplib_for_app_on_android/tmp/ca_bundle.crt"
 using namespace std;
 
 void test_https() {

example/android/test_cpphttplib_for_app_on_android/app/src/main/cpp/http/test_http.cpp

@@ -4,10 +4,13 @@
 import android.os.Bundle;
 import android.util.Log;
 import android.widget.TextView;
+import android.os.Environment;
 
+import java.io.FileOutputStream;
 import java.io.InputStream;
 import java.util.Vector;
 import java.io.File;
+import java.lang.String;
 
 public class MainActivity extends AppCompatActivity {
     private static final String TAG = "demo";
@@ -47,13 +50,36 @@ protected void onCreate(Bundle savedInstanceState) {
         }
 
         try {
-            InputStream in = getResources().openRawResource(R.raw.ca_bundle);
-            int length = in.available();
-            if (0 == length) {
-                return;
+
+
+
+            /**
+             * ref: https://blog.csdn.net/hacker_Lees/article/details/78593799
+             */
+            String tmpDir = Environment.getExternalStorageDirectory().getAbsolutePath() + "/test_cpphttplib_for_app_on_android/tmp";
+            String cerFileName = tmpDir + "/ca_bundle.crt";
+            File outFile = new File(cerFileName);
+            if (!outFile.getParentFile().exists()) {
+                createDir(tmpDir);
+            }
+            if (!outFile.exists()) {
+                boolean ret = outFile.createNewFile();
+                Log.i(TAG, String.valueOf(ret));
+                InputStream in = getResources().openRawResource(R.raw.ca_bundle);
+                int length = in.available();
+                if (0 == length) {
+                    Log.i(TAG, String.valueOf(length));
+                    return;
+                }
+                byte[] buffer = new byte[length];
+                in.read(buffer);
+
+                FileOutputStream outputStream = new FileOutputStream(outFile);
+                outputStream.write(buffer);
+                Log.i(TAG, cerFileName);
             }
-            byte[] buffer = new byte[length];
-            in.read(buffer);
+
+
         } catch (Exception e) {
             e.printStackTrace();
         }
@@ -65,6 +91,28 @@ protected void onCreate(Bundle savedInstanceState) {
         tv.setText(stringFromJNI());
     }
 
+    public static String createDir(String dirPath){
+        //因为文件夹可能有多层，比如:  a/b/c/ff.txt  需要先创建a文件夹，然后b文件夹然后...
+        try{
+            File file=new File(dirPath);
+            if(file.getParentFile().exists()){
+                Log.i(TAG, "----- 创建文件夹" + file.getAbsolutePath());
+                file.mkdir();
+                return file.getAbsolutePath();
+            }
+            else {
+                createDir(file.getParentFile().getAbsolutePath());
+                Log.i(TAG,"----- 创建文件夹" + file.getAbsolutePath());
+                file.mkdir();
+            }
+
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+        return dirPath;
+    }
+
+
     /**
      * A native method that is implemented by the 'native-lib' native library,
      * which is packaged with this application.