android 6.0以后google把android权限分为三种，普通权限，危险权限，特殊权限。普通权限可以只在清单文件申请，危险权限必须用到的时候申请，或者你直接手机设置给权限否者app会闪退。当点击一个按钮的时候，我们检查权限。
以下是危险权限，组权限只要允许了一个，就一组被允许了：
group:android.permission-group.CONTACTS permission:android.permission.WRITE_CONTACTS permission:android.permission.GET_ACCOUNTS permission:android.permission.READ_CONTACTS group:android.permission-group.PHONE permission:android.permission.READ_CALL_LOG permission:android.permission.READ_PHONE_STATE permission:android.permission.CALL_PHONE permission:android.permission.WRITE_CALL_LOG permission:android.permission.USE_Sip permission:android.permission.PROCESS_OUTGOING_CALLS permission:com.android.voicemail.permission.ADD_VOICEMAIL group:android.permission-group.CALENDAR permission:android.permission.READ_CALENDAR permission:android.permission.WRITE_CALENDAR group:android.permission-group.CAMERA permission:android.permission.CAMERA group:android.permission-group.SENSORS permission:android.permission.BODY_SENSORS group:android.permission-group.LOCATION permission:android.permission.access_FINE_LOCATION permission:android.permission.ACCESS_COARSE_LOCATION group:android.permission-group.STORAGE permission:android.permission.READ_EXTERNAL_STORAGE permission:android.permission.WRITE_EXTERNAL_STORAGE group:android.permission-group.MICROPHONE permission:android.permission.RECORD_AUDIO group:android.permission-group.SMS permission:android.permission.READ_SMS permission:android.permission.RECEIVE_WAP_PUSH permission:android.permission.RECEIVE_MMS permission:android.permission.RECEIVE_SMS permission:android.permission.SEND_SMS permission:android.permission.READ_CELL_BROADCASTS1、申请权限//检查权限是否被允许
//这里以打电话权限为案例
if (ContextCompat.checkSelfPermission(this, Manifest.permission.CALL_PHONE)!= PackageManager.PERMISSION_GRANTED) {ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CALL_PHONE}, REQUEST_CODE);} else {//这里是权限已被允许写你打电话的代码
callPhone();
}
2、回调
@Overridepublic void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {switch (requestCode){case REQUEST_CODE:if(grantResults[0]==PackageManager.PERMISSION_GRANTED){//授权通过callPhone();}else{//拒绝}break;}}
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