android 权限申请

/**
 * 权限工具类
 * Created by Wanghaiquan on 2017/5/13.
 */
public class PermissionUtil {
	public static String TAG = PermissionUtil.class.getSimpleName();

	public static int SDK_PERMISSION_REQUEST = 1;

	public static void getPersimmions(Activity activity, String... permissions) {
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
			ArrayList<String> permissionList = new ArrayList<String>();
			for (String permission : permissions) {
				Log.i(TAG, "需要申请的权限：" + permission);
				addPermission(permissionList, permission, activity);
			}
			if (permissionList.size() > 0) {
				activity.requestPermissions(permissionList.toArray(new String[permissionList.size()]), SDK_PERMISSION_REQUEST);
			}
		}
	}

	@TargetApi(23)
	public static boolean addPermission(ArrayList<String> permissionsList, String permission, Activity activity) {
		if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
			if (activity.shouldShowRequestPermissionRationale(permission)) {
				return true;
			} else {
				Log.i(TAG, "未获得的权限：" + permission);
				permissionsList.add(permission);
				return false;
			}
		} else {
			return true;
		}
	}
}