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

Question

我写了一个发送短信的程序，执行时崩溃

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);

        }
    });

}

}

应用程序在点击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: FATAL EXCEPTION: main Process: com.example.video60, PID: 2104 java.lang.SecurityException: Sending SMS message: uid 10086 does not have android.permission.SEND_SMS. at android.os.Parcel.readException(Parcel.java:1942) at android.os.Parcel.readException(Parcel.java:1888) at com.android.internal.telephony.ISms$Stub$Proxy.sendTextForSubscriber(ISms.java:789) at android.telephony.SmsManager.sendTextMessageInternal(SmsManager.java:329) at android.telephony.SmsManager.sendTextMessage(SmsManager.java:312) at com.example.video60.MainActivity.onClick(MainActivity.java:41) at android.view.View.performClick(View.java:6256) at android.view.View$PerformClick.run(View.java:24697) at android.os.Handler.handleCallback(Handler.java:789) at android.os.Handler.dispatchMessage(Handler.java:98) at android.os.Looper.loop(Looper.java:164) at android.app.ActivityThread.main(ActivityThread.java:6541) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240) at 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" />

正如您的异常告诉您的那样：

Sending SMS message: uid 10086 does not have android.permission.SEND_SMS.

您的应用没有发送短信的权限

查看此以获取更多信息：https://developer.android.com/guide/topics/permissions/overview

我的回答适用于 api 的 22 岁及以下，对于任何更高的你都必须请求许可，你可以在这里找到：https://developer.android.com/training/permissions/requesting

像这样：

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

E/AndroidRuntime: FATAL EXCEPTION: main Process error Android Studio

android

smsmanager