android应用权限检测工具类

public class PermissionUtil {
public static final int REQUEST_PERMISSION = 0x001;
//app需要的全部危险权限在这里定义
public static final String[] ALL_PERMISSIONS = new String[]{
Manifest.permission.READ_CONTACTS,
Manifest.permission.READ_EXTERNAL_STORAGE,
Manifest.permission.WRITE_EXTERNAL_STORAGE
};

private PermissionUtil() {

}

/**
* Gets permissions.
*
* @return the permissions
*/
public static String[] getPermissions() {
return getPermissions(Utils.getApp().getPackageName());
}

/**
* 检测权限
*
* @param activity 上下文
* @return 是否需要申请权限
*/
public static boolean checkPermission(Activity activity) {
return checkPermission(activity, ALL_PERMISSIONS);
}

/**
* 检测权限
*
* @param activity 上下文
* @return 是否需要申请权限 true：不需
4000
要
*/
public static boolean checkPermission(Activity activity, String... permissions) {
return SDK_INT < Build.VERSION_CODES.M || checkPermissionAllGranted(permissions);
}

/**
* 在fragment 检测权限
*
* @param fragment 上下文
* @return 是否需要申请权限
*/
public static boolean checkPermission(Fragment fragment) {
return checkPermission(fragment, ALL_PERMISSIONS);
}

/**
* 在fragment 检测权限
*
* @param fragment 上下文
* @return 是否需要申请权限
*/
public static boolean checkPermission(Fragment fragment, String... permissions) {
return SDK_INT < Build.VERSION_CODES.M || checkPermissionAllGranted(permissions);
}

/**
* 判断是否具有危险权限，是否获得此权限授权
*
* @param permissions 危险权限组
* @return 是否具有全部权限
*/
private static boolean checkPermissionAllGranted(String... permissions) {
for (String permission : permissions) {
if (ActivityCompat.checkSelfPermission(Utils.getApp(), permission) != PackageManager.PERMISSION_GRANTED) {
// 只要有一个权限没有被授予, 则直接返回 false
return false;
}
}
return true;

}

public static void requestPermission(Activity activity, String[] permissions, int requestCode) {
ActivityCompat.requestPermissions(activity, permissions, requestCode);
}

/**
* 打开 APP 的详情设置
*/
public static void openAppDetails(final Activity context, String message) {
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setMessage(message);
builder.setPositiveButton("去手动授权", (dialog, which) -> {
Intent intent = new Intent();
intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
intent.addCategory(Intent.CATEGORY_DEFAULT);
intent.setData(Uri.parse("package:" + context.getPackageName()));
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
context.startActivity(intent);
});
builder.setNegativeButton("取消", (dialog, which) -> checkPermission(context));
builder.setNeutralButton("退出软件", (dialog, which) -> context.finish());
builder.show();
}

/**
* 获取应用清单列表权限
*
* @param packageName 应用包名
* @return 应用清单列表权限 permissions
*/
public static String[] getPermissions(final String packageName) {
PackageManager manager = Utils.getApp().getPackageManager();
try {
return manager.getPackageInfo(packageName, PackageManager.GET_PERMISSIONS)
.requestedPermissions;
} catch (PackageManager.NameNotFoundException e) {
return new String[]{};
}
}

/**
* Should show rationale boolean.
*
* @param activity   the activity
* @param permission the permission
* @return true:用户获取权限被拒绝；false:用户获取权限被拒绝并且选择"不再询问"
*/
public static boolean shouldShowRationale(Activity activity, String permission) {
return ActivityCompat.shouldShowRequestPermissionRationale(activity, permission);
}

/**
* Should show rationale boolean.
*
* @param fragment   the fragment
* @param permission the permission
* @return true:用户获取权限被拒绝；false:用户获取权限被拒绝并且选择"不再询问"
*/
public static boolean shouldShowRationale(Fragment fragment, String permission) {
return fragment.shouldShowRequestPermissionRationale(permission);
}

}