1.代码
/**
* Created by Alex on 2017/4/12.
* Alex
*/
public class MPermissionHelper {
public static final int REQUEST_CODE_ASK_PERMISSIONS = 22123;
private List<String> mPermissions;
private Activity mContext;
private Dialog setPermissionDialog;
private Dialog goSettingsDialog;
public MPermissionHelper(Activity mContext) {
this.mContext = mContext;
mPermissions = new ArrayList<>();
}
public interface PermissionCallBack {
void permissionRegisterSuccess(String... permissions);
void permissionRegisterError(String... permissions);
}
/**
* 检查是否通过了某个权限
*
* @param permissions
* @return
*/
private boolean hasPermission(String... permissions) {
mPermissions.clear();
for (String permission : permissions) {
int isHasthisPermission = ContextCompat.checkSelfPermission(mContext, permission);
if (isHasthisPermission != PackageManager.PERMISSION_GRANTED) {
mPermissions.add(permission);
}
}
return mPermissions.size() == 0;
}
/**
* 请求权限
*
* @param permissions
*/
public void requestPermission(PermissionCallBack callback, String... permissions) {
// try {
//首先判断版本是否小于23，小于23则直接通过权限
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
callback.permissionRegisterSuccess(permissions);
return;
}
//如果没通过权限则申请通过权限
if (!hasPermission(permissions)) {
permissions = mPermissions.toArray(new String[mPermissions.size()]);
//如果检查到设置了不再提醒则需要用户自己去提醒
if (!shouldShowRequestPermissions(permissions)) {
//用户自己去提醒
showMessageOKCancel(new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
ActivityCompat.requestPermissions(mContext,
mPermissions.toArray(new String[mPermissions.size()]),
REQUEST_CODE_ASK_PERMISSIONS);
}
});
return;
}
ActivityCompat.requestPermissions(mContext,
mPermissions.toArray(new String[mPermissions.size()]),
REQUEST_CODE_ASK_PERMISSIONS);
return;
}
//处理全部通过后的情况
callback.permissionRegisterSuccess();
// } catch (RuntimeException e) {
// //6.0以下手机在没有权限时的提醒
//// callback.permissionRegisterError(mPermissions.toArray(new String[mPermissions.size()]));
// Toast.makeText(mContext, "检测到您关闭了某些权限，部分功能将无法使用，请您前往应用设置界面来设置权限！", Toast.LENGTH_SHORT).show();
//// e.printStackTrace();
// }
}
private boolean shouldShowRequestPermissions(String... permissions) {
boolean result = false;
for (String s : permissions) {
result = ActivityCompat.shouldShowRequestPermissionRationale(mContext,
s);
}
return result;
}
/**
* 处理onRequestPermissionsResult
*
* @param requestCode
* @param grantResults
*/
public void handleRequestPermissionsResult(int requestCode, PermissionCallBack callBack, @NonNull int[] grantResults) {
switch (requestCode) {
case REQUEST_CODE_ASK_PERMISSIONS:
System.out.println("requestCode = " + requestCode);
boolean allGranted = true;
for (int grant : grantResults) {
if (grant != PackageManager.PERMISSION_GRANTED) {
allGranted = false;
break;
}
}
if (allGranted && callBack != null) {
callBack.permissionRegisterSuccess(mPermissions.toArray(new String[mPermissions.size()]));
} else if (!allGranted && callBack != null) {
callBack.permissionRegisterError(mPermissions.toArray(new String[mPermissions.size()]));
}
}
}
public void destroy() {
if (setPermissionDialog != null && setPermissionDialog.isShowing()) {
setPermissionDialog.dismiss();
setPermissionDialog = null;
}
if (goSettingsDialog != null && goSettingsDialog.isShowing()) {
goSettingsDialog.dismiss();
goSettingsDialog = null;
}
}
public void showGoSettingPermissionsDialog(String showPermissionName) {
goSettingsDialog = new AlertDialog.Builder(mContext).setMessage("检测您已关闭" + showPermissionName + "权限。\n" +
"部分功能将无法正常使用！\n" +
"为了保证功能的正常使用，请点击设置->权限管理->打开所需权限！")
.setTitle("提示")
.setPositiveButton("设置", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
goPermissionSetting();
}
})
.setNegativeButton("取消", null)
.create();
goSettingsDialog.show();
}
public void goPermissionSetting() {
Intent localIntent = new Intent();
localIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
localIntent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS");
localIntent.setData(Uri.fromParts("package", mContext.getPackageName(), null));
mContext.startActivity(localIntent);
}
private void showMessageOKCancel(DialogInterface.OnClickListener okListener) {
setPermissionDialog = new AlertDialog.Builder(mContext)
.setMessage("检测到您有权限未设置，是否确认设置权限？")
.setPositiveButton("OK", okListener)
.setNegativeButton("Cancel", null)
.create()
;
setPermissionDialog.show();
}
}
2.使用方式
Activity中使用。
使activity实现MPermissionHelper.PermissionCallBack接口。
实现以下方法
@Override
public void permissionRegisterSuccess(String... permissions) {
System.out.println("permissions = " + Arrays.toString(permissions));
System.out.println("注册权限成功,做某些处理");
}
@Override
public void permissionRegisterError(String... permissions) {
permissionHelper.showGoSettingsDialog("定位");
}
初始化权限管理类，下面以定位权限为例。
private MPermissionHelper permissionHelper;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
permissionHelper = new MPermissionHelper(this);
}
在需要权限的地方注册所需权限
permissionHelper.requestPermission(this,
Manifest.permission.ACCESS_COARSE_LOCATION,
Manifest.permission.ACCESS_FINE_LOCATION
);
在activity的权限回调中做处理
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
permissionHelper.handleRequestPermissionsResult(requestCode, this, grantResults);
}
在activity的destroy中关闭工具类，此步骤可有可无
@Override
protected void onDestroy() {
super.onDestroy();
permissionHelper.destroy();
}
