安卓开发动态申请（定位，读写，拍照，视频）权限

r囧r小猫 2022-01-22 11:05 251阅读 0赞

// 要申请的权限
        private String[] permissions = new String[]{ Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE,Manifest.permission.CAMERA};

/********************权限动态申请***************************/
        // 提示用户该请求权限的弹出框
        private void showDialogTipUserRequestPermission() {
    
            new AlertDialog.Builder(this)
                    .setTitle("权限不可用")
                    .setMessage("应用需要开启一些权限提供更好的使用体验,否则，您将无法正常使用应用")
                    .setPositiveButton("立即开启", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            startRequestPermission();
                        }
                    })
                    .setNegativeButton("取消", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            finish();
                        }
                    }).setCancelable(false).show();
        }
    
        // 开始提交请求权限
        private void startRequestPermission() {
            ActivityCompat.requestPermissions(this, permissions, 321);
        }
    
        // 用户权限 申请 的回调方法
        @Override
        public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
            super.onRequestPermissionsResult(requestCode, permissions, grantResults);
            if (requestCode == 321) {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                    if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {
                        // 判断用户是否 点击了不再提醒。(检测该权限是否还可以申请)
                        boolean i = shouldShowRequestPermissionRationale(permissions[0]);
                        boolean j = shouldShowRequestPermissionRationale(permissions[1]);
                        boolean k = shouldShowRequestPermissionRationale(permissions[2]);
                        boolean l = shouldShowRequestPermissionRationale(permissions[3]);
                        boolean q = shouldShowRequestPermissionRationale(permissions[4]);
                        if (!i||!j||!k||!l||!q) {
                            // 用户还是想用我的 APP 的
                            // 提示用户去应用设置界面手动开启权限
                            showDialogTipUserGoToAppSettting();
                        } else {
                            ToastUtils.showToast("必要权限未开启！");
                            finish();
                        }
                    } else {
                        //启动服务
                        startService(new Intent(this, LocationService.class));
                        Toast.makeText(this, "权限获取成功", Toast.LENGTH_SHORT).show();
                    }
                }
            }
        }
    
        // 提示用户去应用设置界面手动开启权限
    
        private void showDialogTipUserGoToAppSettting() {
    
            dialog = new AlertDialog.Builder(this)
                    .setTitle("有权限不可用")
                    .setMessage("请在-应用设置-权限-中，允许电力运维使用权限")
                    .setPositiveButton("立即开启", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            // 跳转到应用设置界面
                            goToAppSetting();
                        }
                    })
                    .setNegativeButton("取消", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            finish();
                        }
                    }).setCancelable(false).show();
        }
    
        // 跳转到当前应用的设置界面
        private void goToAppSetting() {
            Intent intent = new Intent();
    
            intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
            Uri uri = Uri.fromParts("package", getPackageName(), null);
            intent.setData(uri);
    
            startActivityForResult(intent, 123);
        }
    
        @Override
        protected void onActivityResult(int requestCode, int resultCode, Intent data) {
            super.onActivityResult(requestCode, resultCode, data);
            if (requestCode == 123) {
                if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                    // 检查该权限是否已经获取
                    int i = ContextCompat.checkSelfPermission(this, permissions[0]);
                    int j= ContextCompat.checkSelfPermission(this,permissions[1] );
                    int k= ContextCompat.checkSelfPermission(this,permissions[2] );
                    int l = ContextCompat.checkSelfPermission(this,permissions[3] );
                    int q = ContextCompat.checkSelfPermission(this,permissions[4] );
                    // 权限是否已经 授权 GRANTED---授权  DINIED---拒绝
                    if (i != PackageManager.PERMISSION_GRANTED||j != PackageManager.PERMISSION_GRANTED||k != PackageManager.PERMISSION_GRANTED||l != PackageManager.PERMISSION_GRANTED||q != PackageManager.PERMISSION_GRANTED) {
                        // 提示用户应该去应用设置界面手动开启权限
                        showDialogTipUserGoToAppSettting();
                    } else {
                        if (dialog != null && dialog.isShowing()) {
                            dialog.dismiss();
                        }
                        //启动服务
                        startService(new Intent(this, LocationService.class));
                        Toast.makeText(this, "权限获取成功", Toast.LENGTH_SHORT).show();
                    }
                }
            }
        }