封装了Android6.0运行时权限申请，简化了申请流程，提高开发效率
/**
* @Author: ddz
* Creation time: 17.8.11 17:11
* describe:{Android权限申请的封装，并在内部实现申请结果的处理}
*/
public class PermissionUtils {
private static PermissionUtils permission;
private String[] permissions;
private Activity mActivity;
private RequestPermissionListener PermissionListener;
public static int requestCode = 100; //requestCode传值为100
public static PermissionUtils getInstance() {
if (null == permission) {
synchronized (PermissionUtils.class) {
if (null == permission) {
permission = new PermissionUtils();
}
}
}
return permission;
}
/**
* 权限检查
*
* @param permission
* @return
*/
public boolean checkPermission(@NonNull String permission) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
return true;
} else {
return ContextCompat.checkSelfPermission(LifeStyle.getContext(), permission) == PackageManager.PERMISSION_GRANTED;
}
}
/**
* Activity 页面申请权限
*
* @param activity
* @param permissions
* @param requestCode
* @param requestPermissionListener
*/
public void requestPermissiion(final @NonNull Activity activity,
final @NonNull String[] permissions, final @IntRange(from = 0) int requestCode, @NonNull RequestPermissionListener requestPermissionListener) {
this.mActivity = activity;
PermissionListener = requestPermissionListener;
this.permissions = permissions;
ActivityCompat.requestPermissions(activity, permissions, requestCode);
}
/**
* Fragment页面申请权限
*
* @param fragment
* @param permissions
* @param requestCode
* @param requestPermissionListener
*/
public void requestFragmentPermission(final @NonNull Fragment fragment,
final @NonNull String[] permissions, final @IntRange(from = 0) int requestCode, @NonNull RequestPermissionListener requestPermissionListener) {
PermissionListener = requestPermissionListener;
this.permissions = permissions;
fragment.requestPermissions(permissions, requestCode);
}
/**
* 权限申请结果的回调
*
* @param activity
* @param requestCode
* @param permissions
* @param grantResults
*/
public void onRequestPermissionResult(final @NonNull Activity activity, int requestCode, @NonNull String[] permissions,
@NonNull int[] grantResults) {
this.mActivity = activity;
if (null != PermissionListener) {
if (requestCode == PermissionUtils.requestCode && grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
PermissionListener.requestConfirm();
} else {
if (ActivityCompat.shouldShowRequestPermissionRationale(activity, permissions[0])) {
PermissionListener.requestCancel();
} else {
PermissionListener.requestCancelAgain();
}
}
}
}
/**
* 用户点击拒绝，弹出申请权限的说明弹窗，也可以自定义实现
*
* @param context Context
* @param title 弹窗标题
* @param message 申请权限解释说明
* @param confirm 确认按钮的文字，默认OK
* @param cancel 取消按钮呢的文字，默认不显示取消按钮
*/
public void requestDialog(Context context, @NonNull String title, @NonNull String message, String confirm, String cancel) {
try {
AlertDialog.Builder builder = new AlertDialog.Builder(context).setTitle(title).setMessage(message);
builder.setPositiveButton(confirm == null ? "OK" : confirm, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
requestPermissiion(mActivity, permissions, requestCode, PermissionListener);
dialog.dismiss();
}
});
if (null != cancel) {
builder.setNegativeButton(cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
}
builder.setCancelable(false);
builder.show();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 用户勾选不再显示并点击拒绝，弹出打开设置页面申请权限，也可以自定义实现
*
* @param context Context
* @param title 弹窗标题
* @param message 申请权限解释说明
* @param confirm 确认按钮的文字，默认OK
* @param cancel 取消按钮呢的文字，默认不显示取消按钮
*/
public void requestDialogAgain(Context context, @NonNull String title, @NonNull String message, String confirm, String cancel) {
try {
AlertDialog.Builder builder = new AlertDialog.Builder(context).setTitle(title).setMessage(message);
builder.setPositiveButton(confirm == null ? "OK" : confirm, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
startSettingActivity(mActivity);
dialog.dismiss();
}
});
if (null != cancel) {
builder.setNegativeButton(cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
}
builder.setCancelable(false);
builder.show();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 打开设置页面打开权限
*
* @param context
*/
public void startSettingActivity(@NonNull Activity context) {
try {
Intent intent =
new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, Uri.parse("package:" +
context.getPackageName()));
intent.addCategory(Intent.CATEGORY_DEFAULT);
context.startActivityForResult(intent, 10); //这里的requestCode和onActivityResult中requestCode要一致
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 打开设置页面的回调
*
* @param requestCode
* @param resultCode
* @param data
*/
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case 10: //这里值是打开设置页面申请权限的RequestCode，默认为10
try {
if (null != PermissionListener) {
if (null != permissions && permissions.length > 0) {
for (String permission : permissions) {
if (checkPermission(permission)) {
PermissionListener.requestConfirm();
} else {
PermissionListener.requestFailed();
}
}
} else {
PermissionListener.requestFailed();
}
} else {
PermissionListener.requestFailed();
}
} catch (Exception e) {
e.printStackTrace();
}
break;
}
}
/**
* 权限申请回调
*/
public interface RequestPermissionListener {
void requestConfirm(); //申请成功
void requestCancel(); //拒绝
void requestCancelAgain(); //勾选不再提示并拒绝
void requestFailed(); //在设置页面申请权限失败
}
}