android 权限申请

android 权限申请代码

单个权限的申请

    /**
     * 单个权限的申请
     */
    // 请求语音权限
    private void requestVoicePermission() {
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
            // 无权限
            if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.RECORD_AUDIO)) {
                Log.d("geaosu", "用户看到解释后, 再次请求权限 - 录音");
                ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.RECORD_AUDIO}, 0);
            } else {
                ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.RECORD_AUDIO}, 0);
                Log.d("geaosu", "请求权限 - 录音");
            }
        } else {
            // 有权限
            Log.d("geaosu", "有权限 - 录音");
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permission, int[] grantResults) {
        switch (requestCode) {
            case 0:
                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    // 同意权限
                    Log.d("geaosu", "同意权限");
                } else {
                    // 拒绝权限
                    Log.d("geaosu", "拒绝权限");
                }
                break;
        }
    }
    

多个权限的申请

    /**
     * 多个权限的申请
     */    
    private String[] permissionList = {
            Manifest.permission.WRITE_EXTERNAL_STORAGE,
            Manifest.permission.LOCATION_HARDWARE, 
            Manifest.permission.READ_PHONE_STATE,
            Manifest.permission.WRITE_SETTINGS, 
            Manifest.permission.READ_EXTERNAL_STORAGE,
            Manifest.permission.RECORD_AUDIO
    };

    private String[] permissionList2 = {
            Manifest.permission.ACCESS_COARSE_LOCATION,
            Manifest.permission.ACCESS_FINE_LOCATION
    };

    private void requestPermissions() {
        try {
            if (Build.VERSION.SDK_INT >= 23) {
                int permission = ActivityCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE);
                if (permission != PackageManager.PERMISSION_GRANTED) {
                    ActivityCompat.requestPermissions(this, permissionList, 1);
                }

                if (permission != PackageManager.PERMISSION_GRANTED) {
                    ActivityCompat.requestPermissions(this, permissionList2, 1);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
    }
    

这里也是一种申请方式

    /**
     * 请求权限
     */
    private void checkPermissions() {
        // 未授权的权限集合
        List<String> permissions = new LinkedList<>();

        addPermission(permissions, Manifest.permission.WRITE_EXTERNAL_STORAGE);
        addPermission(permissions, Manifest.permission.RECORD_AUDIO);
        addPermission(permissions, Manifest.permission.INTERNET);
        addPermission(permissions, Manifest.permission.READ_PHONE_STATE);

        if (!permissions.isEmpty()) {
            ActivityCompat.requestPermissions(this, permissions.toArray(new String[permissions.size()]), MY_PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE);
        }
    }

    /**
     * 将没有的权限添加到要申请的权限集合里
     * @param permissionList
     * @param permission
     */
    private void addPermission(List<String> permissionList, String permission) {
        if (ContextCompat.checkSelfPermission(this, permission) != PackageManager.PERMISSION_GRANTED) {
            permissionList.add(permission);
        }
    }