針對安卓個別手機拿不到IMEI

KinKALaw

1. package com.zzyuyou.demo;
   
2. 
   
3. import Android.Manifest;
   
4. import android.app.AlarmManager;
   
5. import android.content.Context;
   
6. import android.content.pm.PackageManager;
   
7. import android.os.Bundle;
   
8. import android.os.Handler;
   
9. import android.support.v4.app.ActivityCompat;
   
10. import android.support.v4.content.ContextCompat;
    
11. import android.support.v7.app.AppCompatActivity;
    
12. import android.telephony.TelephonyManager;
    
13. import android.widget.Toast;
    
14. 
    
15. import java.util.Calendar;
    
16. 
    
17. public class MainActivity2 extends AppCompatActivity {
    
18.     private final int PERMISSIONS_WRITE_EXTERNAL_STORAGE = 1;
    
19. 
    
20.     @Override
    
21.     protected void onCreate(Bundle savedInstanceState) {
    
22.         super.onCreate(savedInstanceState);
    
23.         setContentView(R.layout.activity_main);
    
24.         //<span style="background-color: rgb(255, 255, 255); color: rgb(33, 33, 33); font-family: inherit; white-space: pre-wrap;"><font size="2">先申請權限</font></span>
    
25.         setPerssion();
    
26.     }
    
27. 
    
28. 
    
29. 
    
30.     private void initData() {
    
31.         TelephonyManager TelephonyMgr = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
    
32.         String szImei = TelephonyMgr.getDeviceId();
    
33.         Toast.makeText(this, "::" + szImei, Toast.LENGTH_SHORT).show();
    
34.     }
    
35. 
    
36.     // <span style="background-color: rgb(255, 255, 255); color: rgb(33, 33, 33); font-family: inherit; white-space: pre-wrap;"><font size="2">申請權限</font></span>
    
37.     private void setPerssion() {
    
38.         // <font size="2"><span style="background-color: rgb(255, 255, 255); color: rgb(33, 33, 33); font-family: inherit; white-space: pre-wrap;">檢查有沒有權限</span> </font>READ_PHONE_STATE
    
39.         if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {
    
40.             // <span style="background-color: rgb(255, 255, 255); color: rgb(33, 33, 33); font-family: inherit; white-space: pre-wrap;"><font size="2">沒有權限申請獲取</font></span>
    
41.             ActivityCompat.requestPermissions(this,
    
42.                     new String[]{Manifest.permission.READ_PHONE_STATE},
    
43.                     PERMISSIONS_WRITE_EXTERNAL_STORAGE);
    
44.         } else {
    
45.             initData();
    
46.         }
    
47.     }
    
48. 
    
49.     @Override
    
50.     public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
    
51.         if (requestCode == PERMISSIONS_WRITE_EXTERNAL_STORAGE) {
    
52.             if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
    
53.                 initData();
    
54.             } else {
    
55.                 Toast.makeText(MainActivity2.this, "<span style="background-color: rgb(255, 255, 255); color: rgb(33, 33, 33); font-family: inherit; white-space: pre-wrap;"><font size="2">你已取消本應用權限，請手動在設置找到本應用並打開此權限</font></span>", Toast.LENGTH_SHORT).show();
    
56.                 new Handler().postDelayed(new Runnable() {
    
57.                     @Override
    
58.                     public void run() {
    
59.                         Toast.makeText(MainActivity2.this, "退出", Toast.LENGTH_SHORT).show();
    
60.                     }
    
61.                 }, 3000);
    
62.             }
    
63.             return;
    
64.         }
    
65.         super.onRequestPermissionsResult(requestCode, permissions, grantResults);
    
66.     }
    
67. }

複製代碼

pentax

very good!感谢楼主無私分享。