先看下动态权限的工具类：
package com.xiayiye.yhsh.permissionsdemo;
import android.Manifest;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.provider.Settings;
import android.support.v4.app.ActivityCompat;
import android.util.Log;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @author ：下一页5（轻飞扬）
* 创建时间：2018/5/22.20:23
*/
public class PermissionUtils {
private static final String TAG = PermissionUtils.class.getSimpleName();
public static final int CODE_RECORD_AUDIO = 0;
public static final int CODE_GET_ACCOUNTS = 1;
public static final int CODE_READ_PHONE_STATE = 2;
public static final int CODE_CALL_PHONE = 3;
public static final int CODE_CAMERA = 4;
public static final int CODE_ACCESS_FINE_LOCATION = 5;
public static final int CODE_ACCESS_COARSE_LOCATION = 6;
public static final int CODE_READ_EXTERNAL_STORAGE = 7;
public static final int CODE_WRITE_EXTERNAL_STORAGE = 8;
public static final int CODE_MULTI_PERMISSION = 100;
public static final String PERMISSION_RECORD_AUDIO = Manifest.permission.RECORD_AUDIO;
public static final String PERMISSION_GET_ACCOUNTS = Manifest.permission.GET_ACCOUNTS;
public static final String PERMISSION_READ_PHONE_STATE = Manifest.permission.READ_PHONE_STATE;
public static final String PERMISSION_CALL_PHONE = Manifest.permission.CALL_PHONE;
public static final String PERMISSION_CAMERA = Manifest.permission.CAMERA;
public static final String PERMISSION_ACCESS_FINE_LOCATION = Manifest.permission.ACCESS_FINE_LOCATION;
public static final String PERMISSION_ACCESS_COARSE_LOCATION = Manifest.permission.ACCESS_COARSE_LOCATION;
public static final String PERMISSION_READ_EXTERNAL_STORAGE = Manifest.permission.READ_EXTERNAL_STORAGE;
public static final String PERMISSION_WRITE_EXTERNAL_STORAGE = Manifest.permission.WRITE_EXTERNAL_STORAGE;
private static final String[] requestPermissions = {
PERMISSION_RECORD_AUDIO,
PERMISSION_GET_ACCOUNTS,
PERMISSION_READ_PHONE_STATE,
PERMISSION_CALL_PHONE,
PERMISSION_CAMERA,
PERMISSION_ACCESS_FINE_LOCATION,
PERMISSION_ACCESS_COARSE_LOCATION,
PERMISSION_READ_EXTERNAL_STORAGE,
PERMISSION_WRITE_EXTERNAL_STORAGE
};
interface PermissionGrant {
void onPermissionGranted(int requestCode);
}
/**
* Requests permission.
*
* @param activity
* @param requestCode request code, e.g. if you need request CAMERA permission,parameters is PermissionUtils.CODE_CAMERA
*/
public static void requestPermission(final Activity activity, final int requestCode, PermissionGrant permissionGrant) {
if (activity == null) {
return;
}
Log.i(TAG, "requestPermission requestCode:" + requestCode);
if (requestCode < 0 || requestCode >= requestPermissions.length) {
Log.w(TAG, "requestPermission illegal requestCode:" + requestCode);
return;
}
final String requestPermission = requestPermissions[requestCode];
//如果是6.0以下的手机，ActivityCompat.checkSelfPermission()会始终等于PERMISSION_GRANTED，
// 但是，如果用户关闭了你申请的权限，ActivityCompat.checkSelfPermission(),会导致程序崩溃(java.lang.RuntimeException: Unknown exception code: 1 msg null)，
// 你可以使用try{}catch(){},处理异常，也可以在这个地方，低于23就什么都不做，
// 个人建议try{}catch(){}单独处理，提示用户开启权限。
if (Build.VERSION.SDK_INT < 23) {
return;
}
int checkSelfPermission;
try {
checkSelfPermission = ActivityCompat.checkSelfPermission(activity, requestPermission);
} catch (RuntimeException e) {
Toast.makeText(activity, "please open this permission", Toast.LENGTH_SHORT)
.show();
Log.e(TAG, "RuntimeException:" + e.getMessage());
return;
}
if (checkSelfPermission != PackageManager.PERMISSION_GRANTED) {
Log.i(TAG, "ActivityCompat.checkSelfPermission != PackageManager.PERMISSION_GRANTED");
if (ActivityCompat.shouldShowRequestPermissionRationale(activity, requestPermission)) {
Log.i(TAG, "requestPermission shouldShowRequestPermissionRationale");
shouldShowRationale(activity, requestCode, requestPermission);
} else {
Log.d(TAG, "requestCameraPermission else");
ActivityCompat.requestPermissions(activity, new String[]{requestPermission}, requestCode);
}
} else {
Log.d(TAG, "ActivityCompat.checkSelfPermission ==== PackageManager.PERMISSION_GRANTED");
Toast.makeText(activity, "opened:" + requestPermissions[requestCode], Toast.LENGTH_SHORT).show();
permissionGrant.onPermissionGranted(requestCode);
}
}
private static void requestMultiResult(Activity activity, String[] permissions, int[] grantResults, PermissionGrant permissionGrant) {
if (activity == null) {
return;
}
//TODO
Log.d(TAG, "onRequestPermissionsResult permissions length:" + permissions.length);
Map<String, Integer> perms = new HashMap<>();
ArrayList<String> notGranted = new ArrayList<>();
for (int i = 0; i < permissions.length; i++) {
Log.d(TAG, "permissions: [i]:" + i + ", permissions[i]" + permissions[i] + ",grantResults[i]:" + grantResults[i]);
perms.put(permissions[i], grantResults[i]);
if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {
notGranted.add(permissions[i]);
}
}
if (notGranted.size() == 0) {
Toast.makeText(activity, "all permission success" + notGranted, Toast.LENGTH_SHORT)
.show();
permissionGrant.onPermissionGranted(CODE_MULTI_PERMISSION);
} else {
openSettingActivity(activity, "those permission need granted!");
}
}
/**
* 一次申请多个权限
*/
public static void requestMultiPermissions(final Activity activity, PermissionGrant grant) {
final List<String> permissionsList = getNoGrantedPermission(activity, false);
final List<String> shouldRationalePermissionsList = getNoGrantedPermission(activity, true);
//TODO checkSelfPermission
if (permissionsList == null || shouldRationalePermissionsList == null) {
return;
}
Log.d(TAG, "requestMultiPermissions permissionsList:" + permissionsList.size() + ",shouldRationalePermissionsList:" + shouldRationalePermissionsList.size());
if (permissionsList.size() > 0) {
ActivityCompat.requestPermissions(activity, permissionsList.toArray(new String[permissionsList.size()]),
CODE_MULTI_PERMISSION);
Log.d(TAG, "showMessageOKCancel requestPermissions");
} else if (shouldRationalePermissionsList.size() > 0) {
showMessageOKCancel(activity, "should open those permission",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
ActivityCompat.requestPermissions(activity, shouldRationalePermissionsList.toArray(new String[shouldRationalePermissionsList.size()]),
CODE_MULTI_PERMISSION);
Log.d(TAG, "showMessageOKCancel requestPermissions");
}
});
} else {
grant.onPermissionGranted(CODE_MULTI_PERMISSION);
}
}
private static void shouldShowRationale(final Activity activity, final int requestCode, final String requestPermission) {
//TODO
String[] permissionsHint = activity.getResources().getStringArray(R.array.permissions);
showMessageOKCancel(activity, "Rationale: " + permissionsHint[requestCode], new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
ActivityCompat.requestPermissions(activity,
new String[]{requestPermission},
requestCode);
Log.d(TAG, "showMessageOKCancel requestPermissions:" + requestPermission);
}
});
}
private static void showMessageOKCancel(final Activity context, String message, DialogInterface.OnClickListener okListener) {
new AlertDialog.Builder(context)
.setMessage(message)
.setPositiveButton("打开权限", okListener)
.setNegativeButton("取消", null)
.create()
.show();
}
/**
* @param activity
* @param requestCode Need consistent with requestPermission
* @param permissions
* @param grantResults
*/
public static void requestPermissionsResult(final Activity activity, final int requestCode, String[] permissions,
int[] grantResults, PermissionGrant permissionGrant) {
if (activity == null) {
return;
}
Log.d(TAG, "requestPermissionsResult requestCode:" + requestCode);
if (requestCode == CODE_MULTI_PERMISSION) {
requestMultiResult(activity, permissions, grantResults, permissionGrant);
return;
}
if (requestCode < 0 || requestCode >= requestPermissions.length) {
Log.w(TAG, "requestPermissionsResult illegal requestCode:" + requestCode);
Toast.makeText(activity, "illegal requestCode:" + requestCode, Toast.LENGTH_SHORT).show();
return;
}
Log.i(TAG, "onRequestPermissionsResult requestCode:" + requestCode + ",permissions:" + permissions.toString()
+ ",grantResults:" + grantResults.toString() + ",length:" + grantResults.length);
if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Log.i(TAG, "onRequestPermissionsResult PERMISSION_GRANTED");
//TODO success, do something, can use callback
permissionGrant.onPermissionGranted(requestCode);
} else {
//TODO hint user this permission function
Log.i(TAG, "onRequestPermissionsResult PERMISSION NOT GRANTED");
//TODO
String[] permissionsHint = activity.getResources().getStringArray(R.array.permissions);
openSettingActivity(activity, "Result" + permissionsHint[requestCode]);
}
}
private static void openSettingActivity(final Activity activity, String message) {
showMessageOKCancel(activity, message, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Intent intent = new Intent();
intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
Log.d(TAG, "getPackageName(): " + activity.getPackageName());
Uri uri = Uri.fromParts("package", activity.getPackageName(), null);
intent.setData(uri);
activity.startActivity(intent);
}
});
}
/**
* @param activity
* @param isShouldRationale true: return no granted and shouldShowRequestPermissionRationale permissions, false:return no granted and !shouldShowRequestPermissionRationale
* @return
*/
public static ArrayList<String> getNoGrantedPermission(Activity activity, boolean isShouldRationale) {
ArrayList<String> permissions = new ArrayList<>();
for (int i = 0; i < requestPermissions.length; i++) {
String requestPermission = requestPermissions[i];
//TODO checkSelfPermission
int checkSelfPermission = -1;
try {
checkSelfPermission = ActivityCompat.checkSelfPermission(activity, requestPermission);
} catch (RuntimeException e) {
Toast.makeText(activity, "please open those permission", Toast.LENGTH_SHORT)
.show();
Log.e(TAG, "RuntimeException:" + e.getMessage());
return null;
}
if (checkSelfPermission != PackageManager.PERMISSION_GRANTED) {
Log.i(TAG, "getNoGrantedPermission ActivityCompat.checkSelfPermission != PackageManager.PERMISSION_GRANTED:" + requestPermission);
if (ActivityCompat.shouldShowRequestPermissionRationale(activity, requestPermission)) {
Log.d(TAG, "shouldShowRequestPermissionRationale if");
if (isShouldRationale) {
permissions.add(requestPermission);
}
} else {
if (!isShouldRationale) {
permissions.add(requestPermission);
}
Log.d(TAG, "shouldShowRequestPermissionRationale else");
}
}
}
return permissions;
}
}
再看下如何调用
package com.xiayiye.yhsh.permissionsdemo;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.FragmentActivity;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
/**
* @author 轻飞扬
* 2018年5月22日20:41:03
*/
public class PermissionActivity extends FragmentActivity implements ActivityCompat.OnRequestPermissionsResultCallback {
private static final String TAG = PermissionActivity.class.getSimpleName();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_permission);
/*FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
PermissionsFragment fragment = new PermissionsFragment();
transaction.replace(R.id.content_fragment, fragment);
transaction.commit();*/
}
/**
* Called when the 'show camera' button is clicked.
* Callback is defined in resource layout definition.
*/
public void showCamera(View view) {
Log.i(TAG, "Show camera button pressed. Checking permission.");
PermissionUtils.requestPermission(this, PermissionUtils.CODE_CAMERA, mPermissionGrant);
}
public void getAccounts(View view) {
PermissionUtils.requestPermission(this, PermissionUtils.CODE_GET_ACCOUNTS, mPermissionGrant);
}
public void callPhone(View view) {
PermissionUtils.requestPermission(this, PermissionUtils.CODE_CALL_PHONE, mPermissionGrant);
}
public void readPhoneState(View view) {
PermissionUtils.requestPermission(this, PermissionUtils.CODE_READ_PHONE_STATE, mPermissionGrant);
}
public void accessFineLocation(View view) {
PermissionUtils.requestPermission(this, PermissionUtils.CODE_ACCESS_FINE_LOCATION, mPermissionGrant);
}
public void accessCoarseLocation(View view) {
PermissionUtils.requestPermission(this, PermissionUtils.CODE_ACCESS_COARSE_LOCATION, mPermissionGrant);
}
public void readExternalStorage(View view) {
PermissionUtils.requestPermission(this, PermissionUtils.CODE_READ_EXTERNAL_STORAGE, mPermissionGrant);
}
public void writeExternalStorage(View view) {
PermissionUtils.requestPermission(this, PermissionUtils.CODE_WRITE_EXTERNAL_STORAGE, mPermissionGrant);
}
public void recordAudio(View view) {
PermissionUtils.requestPermission(this, PermissionUtils.CODE_RECORD_AUDIO, mPermissionGrant);
}
private PermissionUtils.PermissionGrant mPermissionGrant = new PermissionUtils.PermissionGrant() {
@Override
public void onPermissionGranted(int requestCode) {
switch (requestCode) {
case PermissionUtils.CODE_RECORD_AUDIO:
Toast.makeText(PermissionActivity.this, "Result Permission Grant CODE_RECORD_AUDIO", Toast.LENGTH_SHORT).show();
break;
case PermissionUtils.CODE_GET_ACCOUNTS:
Toast.makeText(PermissionActivity.this, "Result Permission Grant CODE_GET_ACCOUNTS", Toast.LENGTH_SHORT).show();
break;
case PermissionUtils.CODE_READ_PHONE_STATE:
Toast.makeText(PermissionActivity.this, "Result Permission Grant CODE_READ_PHONE_STATE", Toast.LENGTH_SHORT).show();
break;
case PermissionUtils.CODE_CALL_PHONE:
Toast.makeText(PermissionActivity.this, "Result Permission Grant CODE_CALL_PHONE", Toast.LENGTH_SHORT).show();
break;
case PermissionUtils.CODE_CAMERA:
Toast.makeText(PermissionActivity.this, "Result Permission Grant CODE_CAMERA", Toast.LENGTH_SHORT).show();
break;
case PermissionUtils.CODE_ACCESS_FINE_LOCATION:
Toast.makeText(PermissionActivity.this, "Result Permission Grant CODE_ACCESS_FINE_LOCATION", Toast.LENGTH_SHORT).show();
break;
case PermissionUtils.CODE_ACCESS_COARSE_LOCATION:
Toast.makeText(PermissionActivity.this, "Result Permission Grant CODE_ACCESS_COARSE_LOCATION", Toast.LENGTH_SHORT).show();
break;
case PermissionUtils.CODE_READ_EXTERNAL_STORAGE:
Toast.makeText(PermissionActivity.this, "Result Permission Grant CODE_READ_EXTERNAL_STORAGE", Toast.LENGTH_SHORT).show();
break;
case PermissionUtils.CODE_WRITE_EXTERNAL_STORAGE:
Toast.makeText(PermissionActivity.this, "Result Permission Grant CODE_WRITE_EXTERNAL_STORAGE", Toast.LENGTH_SHORT).show();
break;
default:
break;
}
}
};
/**
* Callback received when a permissions request has been completed.
*/
@Override
public void onRequestPermissionsResult(final int requestCode, @NonNull String[] permissions,
@NonNull int[] grantResults) {
PermissionUtils.requestPermissionsResult(this, requestCode, permissions, grantResults, mPermissionGrant);
}
}
看不懂的可以下载moudle源码跑起来