android EasyPermissions 使用教程
16lz
2021-01-23
github:https://github.com/anymyna/ui
步骤:
1、 Module build.gradle 添加EasyPermissions,manifest增加相关权限
implementation 'pub.devrel:easypermissions:2.0.1'
2、Activity (or Fragment) 重写 onRequestPermissionsResult
@Overridepublic void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); Log.d(TAG, "onRequestPermissionsResult"); // EasyPermissions handles the request result. EasyPermissions.onRequestPermissionsResult(requestCode, permissions, grantResults, this);}
3、权限申请
AfterPermissionGranted注解是可选的,如果有该注解的话,那么当request值对应的权限申请通过的话会自动调用该方法。
@AfterPermissionGranted(RC_CAMERA_PERM)public void cameraTask() { if (hasCameraPermission()) { // Have permission, do the thing! Toast.makeText(this, "TODO: Camera things", Toast.LENGTH_LONG).show(); } else { // Ask for one permissiononRequestPermissionsResult Log.d(TAG, "cameraTask requestPermissions:" ); EasyPermissions.requestPermissions( this, getString(R.string.rationale_camera), RC_CAMERA_PERM, Manifest.permission.CAMERA); }}
4、实现 EasyPermissions.RationaleCallbacks 自定义交互用户点击接受和拒绝按钮.
@Override // 权限请求dialog,用户点击接受public void onRationaleAccepted(int requestCode) { Log.d(TAG, "onRationaleAccepted:" + requestCode);}@Override //权限请求dialog,用户拒绝按钮public void onRationaleDenied(int requestCode) { Log.d(TAG, "onRationaleDenied:" + requestCode);}
5、实现 PermissionCallbacks 接口 处理权限授权和拒绝
@Overridepublic void onPermissionsGranted(int requestCode, @NonNull List perms) { Log.d(TAG, "onPermissionsGranted:" + requestCode + ":" + perms.size());}@Overridepublic void onPermissionsDenied(int requestCode, @NonNull List perms) { Log.d(TAG, "onPermissionsDenied:" + requestCode + ":" + perms.size()); // 用户拒绝权限,而且点击不再询问 // (Optional) Check whether the user denied any permissions and checked "NEVER ASK AGAIN." // This will display a dialog directing them to enable the permission in app settings. if (EasyPermissions.somePermissionPermanentlyDenied(this, perms)) { new AppSettingsDialog.Builder(this).build().show(); }}
6、系统设置app界面返回处理
@Overridepublic void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (requestCode == AppSettingsDialog.DEFAULT_SETTINGS_REQ_CODE) { String yes = getString(R.string.yes); String no = getString(R.string.no); //系统设置app界面 返回 // Do something after user returned from app settings screen, like showing a Toast. Toast.makeText( this, getString(R.string.returned_from_app_settings_to_activity, hasCameraPermission() ? yes : no, hasLocationAndContactsPermissions() ? yes : no, hasSmsPermission() ? yes : no), Toast.LENGTH_LONG) .show(); }}
7、管理权限相关命令
按组查看权限和状态:adb shell pm list permissions -d -g
同意和拒绝一个或者多个权限:adb shell pm [grant | revoke] …
打开READ_CONTACTS权限
adb shell pm grant com.name.app android.permission.READ_CONTACTS
关闭READ_CONTACTS权限
adb shell pm revoke com.name.app android.permission.READ_CONTACTS
参考:https://github.com/googlesamples/easypermissions
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