Android 当我试图检索imie号码时,我的应用程序正在崩溃…这是我的代码
安卓清单Android 当我试图检索imie号码时,我的应用程序正在崩溃…这是我的代码,android,imei,Android,Imei,安卓清单 我试图获取imei号码并将其显示在主页上进行测试,但当我在手机上运行它时,该应用程序立即崩溃。嗨,如果您的设备是棉花糖,请尝试添加权限检查下面的代码 import android.content.Context; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.telephony.TelephonyManager; import android.view.
我试图获取imei号码并将其显示在主页上进行测试,但当我在手机上运行它时,该应用程序立即崩溃。嗨,如果您的设备是棉花糖,请尝试添加权限检查下面的代码
import android.content.Context;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.telephony.TelephonyManager;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
private static final int PERMISSION_REQUEST_CODE = 1;
TextView tv;
Button bn;
String imei;
private boolean checkPermission(){
int result = ContextCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.READ_PHONE_STATE);
if (result == PackageManager.PERMISSION_GRANTED){
return true;
} else {
return false;
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv = (TextView)findViewById(R.id.tvimei);
bn = (Button)findViewById(R.id.button);
if(checkPermission()){
Snackbar.make(view, "Permission already granted.", Snackbar.LENGTH_LONG).show();
TelephonyManager telephonyManager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
imei = telephonyManager.getDeviceId();
}else{
Snackbar.make(view,"Please give access to read your phone state.",Snackbar.LENGTH_LONG).show();
requestPermission();
}
bn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
tv.setText(imei);
}
});
}
private void requestPermission() {
if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.READ_PHONE_STATE)){
Toast.makeText(getApplicationContext(),"Give permission to check whether internet is of or on.",Toast.LENGTH_LONG).show();
} else {
ActivityCompat.requestPermissions(this,new String[]{Manifest.permission.READ_PHONE_STATE},PERMISSION_REQUEST_CODE);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
switch (requestCode) {
case PERMISSION_REQUEST_CODE:
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Snackbar.make(view,"Permission Granted, Now you can check network status.",Snackbar.LENGTH_LONG).show();
} else {
Snackbar.make(view,"Permission Denied, You cannot check networkstatus.",Snackbar.LENGTH_LONG).show();
}
break;
}
}
}
嗨,阿吉特什,你能发送坠机日志文件吗
import android.content.Context;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.telephony.TelephonyManager;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
TextView tv;
Button bn;
String imei;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv = (TextView)findViewById(R.id.tvimei);
bn = (Button)findViewById(R.id.button);
TelephonyManager telephonyManager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
imei = telephonyManager.getDeviceId();
bn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
tv.setText(imei);
}
});
}
}
import android.content.Context;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.telephony.TelephonyManager;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
private static final int PERMISSION_REQUEST_CODE = 1;
TextView tv;
Button bn;
String imei;
private boolean checkPermission(){
int result = ContextCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.READ_PHONE_STATE);
if (result == PackageManager.PERMISSION_GRANTED){
return true;
} else {
return false;
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv = (TextView)findViewById(R.id.tvimei);
bn = (Button)findViewById(R.id.button);
if(checkPermission()){
Snackbar.make(view, "Permission already granted.", Snackbar.LENGTH_LONG).show();
TelephonyManager telephonyManager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
imei = telephonyManager.getDeviceId();
}else{
Snackbar.make(view,"Please give access to read your phone state.",Snackbar.LENGTH_LONG).show();
requestPermission();
}
bn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
tv.setText(imei);
}
});
}
private void requestPermission() {
if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.READ_PHONE_STATE)){
Toast.makeText(getApplicationContext(),"Give permission to check whether internet is of or on.",Toast.LENGTH_LONG).show();
} else {
ActivityCompat.requestPermissions(this,new String[]{Manifest.permission.READ_PHONE_STATE},PERMISSION_REQUEST_CODE);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
switch (requestCode) {
case PERMISSION_REQUEST_CODE:
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Snackbar.make(view,"Permission Granted, Now you can check network status.",Snackbar.LENGTH_LONG).show();
} else {
Snackbar.make(view,"Permission Denied, You cannot check networkstatus.",Snackbar.LENGTH_LONG).show();
}
break;
}
}
}