Android Dynamic Permission Apply

 

<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
<uses-permission android:name="android.permission.CHANGE_CONFIGURATION"/>
<uses-permission android:name="android.permission.WAKE_LOCK"/>
<uses-permission android:name="android.permission.WRITE_SETTINGS"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.RECORD_AUDIO"/>
<uses-permission android:name="android.permission.INTERNET"/>

<uses-feature android:name="android.software.leanback" android:required="false"/>
<uses-feature android:name="android.hardware.touchscreen" android:required="false"/>
<uses-feature android:name="android.hardware.camera" android:required="false"/>
<uses-feature android:name="android.hardware.microphone" android:required="false"/>

 

 

private static final int REQUEST_EXTERNAL_STORAGE = 1;
private static String[] PERMISSIONS_STORAGE = {
        "android.permission.READ_EXTERNAL_STORAGE",
        "android.permission.WRITE_EXTERNAL_STORAGE" };


public static void verifyStoragePermissions(Activity activity) {

    try {
        //检测是否有写的权限
        int rpermission = ActivityCompat.checkSelfPermission(activity,
                "android.permission.READ_EXTERNAL_STORAGE");
        if (rpermission != PackageManager.PERMISSION_GRANTED) {
            // 没有写的权限，去申请写的权限，会弹出对话框
            ActivityCompat.requestPermissions(activity, PERMISSIONS_STORAGE, REQUEST_EXTERNAL_STORAGE);
        }

        //检测是否有写的权限
        int permission = ActivityCompat.checkSelfPermission(activity,
                "android.permission.WRITE_EXTERNAL_STORAGE");
        if (permission != PackageManager.PERMISSION_GRANTED) {
            // 没有写的权限，去申请写的权限，会弹出对话框
            ActivityCompat.requestPermissions(activity, PERMISSIONS_STORAGE, REQUEST_EXTERNAL_STORAGE);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

// Used to load the 'native-lib' library on application startup.
//static {
//    System.loadLibrary("ffengine");
//}

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mTextureView = (TextureView) findViewById(R.id.preview);
    mTextureView.setSurfaceTextureListener(new TextureView.SurfaceTextureListener() {
        @Override
        public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
            mSurface = new Surface(surface);
            mViewWidth = width;
            mViewHeight = height;
        }

        @Override
        public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {

        }

        @Override
        public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
            return false;
        }

        @Override
        public void onSurfaceTextureUpdated(SurfaceTexture surface) {

        }
    });

    // Example of a call to a native method
    // mTextView = (TextView) findViewById(R.id.sample_text);
    mButton = (Button)findViewById(R.id.button);
    mButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            String imagefile = "/sdcard/cv/magics.jpg";
            String ofile = "sdcard/cv/mark.jpg";

            Mat mimage = Imgcodecs.imread(imagefile, IMREAD_COLOR);

            long t1 = System.currentTimeMillis();

            ImgProc(mimage.getNativeObjAddr());

            long t2 = System.currentTimeMillis();

            Log.d(TAG, "Times = " + (t2 - t1));

            Imgcodecs.imwrite(ofile, mimage);

            mTextView.setText(stringFromJNI());
        } });

    verifyStoragePermissions(this);
}