Question

我编写了一个程序来发送短信，该短信在执行时会崩溃

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Button btnsend = (Button) findViewById(R.id.btnsend);
    final EditText edtnum = (EditText) findViewById(R.id.edtnum);
    final EditText edttext = (EditText) findViewById(R.id.edttext);



    btnsend.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) { 
            String phoneNo=edtnum.getText().toString();
            String message=edttext.getText().toString();
            SmsManager manager=SmsManager.getDefault();
            manager.sendTextMessage(phoneNo,null,message,null,null);

        }
    });

}

}

应用程序在按下按钮时崩溃并给出此错误

2019-09-09 10：30：33.384 2104-2104 / com.example.video60 E / AndroidRuntime：致命异常：main 流程：com.example.video60，PID：2104 java.lang.SecurityException：正在发送短信：uid 10086没有android.permission.SEND_SMS。在android.os.Parcel.readException（Parcel.java:1942）在android.os.Parcel.readException（Parcel.java:1888）在com.android.internal.telephony.ISms $ Stub $ Proxy.sendTextForSubscriber（ISms.java:789）在android.telephony.SmsManager.sendTextMessageInternal（SmsManager.java:329）在android.telephony.SmsManager.sendTextMessage（SmsManager.java:312）在com.example.video60.MainActivity $ 1.onClick（MainActivity.java:41）在android.view.View.performClick（View.java:6256）在android.view.View $ PerformClick.run（View.java:24697）在android.os.Handler.handleCallback（Handler.java:789）在android.os.Handler.dispatchMessage（Handler.java:98）在android.os.Looper.loop（Looper.java:164）在android.app.ActivityThread.main（ActivityThread.java:6541）在java.lang.reflect.Method.invoke（本机方法）在com.android.internal.os.Zygote $ MethodAndArgsCaller.run（Zygote.java:240）在com.android.internal.os.ZygoteInit.main（ZygoteInit.java:767）

Answer 1

在您的android清单中，声明以下内容：

<uses-permission android:name="android.permission.SEND_SMS" />

因为您的异常告诉您：

发送SMS消息：uid 10086没有 android.permission.SEND_SMS。

您的应用无权发送短信

有关其他信息，请查看此：https://developer.android.com/guide/topics/permissions/overview

我的答案适用于api 22及以下版本，对于更高的权限，您必须请求权限，您可以在这里找到：https://developer.android.com/training/permissions/requesting

类似这样的东西：

if (ContextCompat.checkSelfPermission(thisActivity, Manifest.permission.SEND_SMS)
        != PackageManager.PERMISSION_GRANTED) {
    // Permission is not granted
}

// Here, thisActivity is the current activity
if (ContextCompat.checkSelfPermission(thisActivity,
        Manifest.permission.SEND_SMS)
        != PackageManager.PERMISSION_GRANTED) {

    // Permission is not granted
    // Should we show an explanation?
    if (ActivityCompat.shouldShowRequestPermissionRationale(thisActivity,
            Manifest.permission.SEND_SMS)) {
        // Show an explanation to the user *asynchronously* -- don't block
        // this thread waiting for the user's response! After the user
        // sees the explanation, try again to request the permission.
    } else {
        // No explanation needed; request the permission
        ActivityCompat.requestPermissions(thisActivity,
                new String[]{Manifest.permission.SEND_SMS},
                MY_PERMISSIONS_REQUEST_READ_CONTACTS);

        // MY_PERMISSIONS_REQUEST_READ_CONTACTS is an
        // app-defined int constant. The callback method gets the
        // result of the request.
    }
} else {
    // Permission has already been granted
}

E / AndroidRuntime：致命异常：主进程错误Android Studio

1 个答案: