我编写了一个代码来显示电话的通话记录,但我不知道如何在列表视图的位置复制电话的字符串。我的“ CallLogAdapter”类可帮助我整理数据并管理呼叫日志。
在我的“ LlamadasRecientes”类中,我尝试在ListView的当前位置调用字符串,但是当我尝试运行它时,它崩溃了。我该怎么办才能获取电话的字符串?
CallLogAdapter.java:
package com.tecmilenio.natura;
import android.content.Context;
import android.database.Cursor;
import android.provider.CallLog;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import android.widget.TextView;
import java.util.Date;
public class CallLogAdapter extends CursorAdapter
{
public CallLogAdapter(Context context, Cursor c)
{
super(context, c,true);
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent)
{
LayoutInflater inflater = (LayoutInflater) context.getSystemService(context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.config,parent,false);
return view;
}
@Override
public void bindView(View view, Context context, Cursor cursor)
{
TextView textView = (TextView) view.findViewById(R.id.Numero);
TextView textView2 = (TextView) view.findViewById(R.id.fecha);
String numberString = cursor.getString(cursor.getColumnIndex(CallLog.Calls.NUMBER));
String nameString = cursor.getString(cursor.getColumnIndex(CallLog.Calls.CACHED_NAME));
String dateString = cursor.getString(cursor.getColumnIndex(CallLog.Calls.DATE));
Date calldate = new Date(Long.valueOf(dateString));
if(nameString == null)
{
textView.setText(numberString);
}
else
{
textView2.setText(calldate.toString());
}
}
}
LlamadasRecientes.java
import androidx.appcompat.app.AppCompatActivity;
import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.CallLog;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
public class LlamadasRecientes extends AppCompatActivity {
final private int REQUEST_CODE_ASK_PERMISSIONS = 123;
private Button btnContactos;
CallLogAdapter callLogAdapter;
ListView listView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_llamadas_recientes);
btnContactos = (Button) findViewById(R.id.Contactos);
listView = (ListView) findViewById(R.id.list1);
int hasPermission = checkSelfPermission(Manifest.permission.READ_CALL_LOG);
if (hasPermission!= PackageManager.PERMISSION_GRANTED)
{
requestPermissions(new String[] {Manifest.permission.READ_CALL_LOG},REQUEST_CODE_ASK_PERMISSIONS);
return;
}
Cursor cursor = getContentResolver().query(CallLog.Calls.CONTENT_URI, null, null, null, CallLog.Calls.DATE + " DESC");
cursor.moveToFirst();
callLogAdapter = new CallLogAdapter(LlamadasRecientes.this,cursor);
listView.setAdapter(callLogAdapter);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
final String test= (String) parent.getItemAtPosition(position);
Toast.makeText(LlamadasRecientes.this,test,Toast.LENGTH_SHORT).show();
}
});
请发布您的崩溃日志,您可以通过在Windows上按Alt+6
来查看它在您发布崩溃日志后,我将更新我的答案并尝试提供帮助