Android 应用程序保持强制关闭

我创建了一个简单的应用程序，允许用户在框中键入电话号码，然后按下一个按钮，启动搜索联系人并返回与输入的电话号码匹配的联系人姓名的活动

然而，该应用程序保持强制关闭

这是密码

package com.xenom.text;

import android.app.Activity;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract.PhoneLookup;
import android.util.Log;
import android.view.View;

public class DriveAndTextActivity extends Activity 
{

private View button1;
private String Text1;


/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main); 


    button1.setOnClickListener(new View.OnClickListener() {
        private String TAG;

        public void onClick(View v) {
            Log.d(TAG, "mbutton1 clicked");
            Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(Text1));
            resolver.query(uri, new String[]{PhoneLookup.DISPLAY_NAME});

}
    });
}
}

新代码

package com.xenom.text;

import android.app.Activity;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract.PhoneLookup;
import android.util.Log;
import android.view.View;
import android.widget.Button;

public class DriveAndTextActivity extends Activity 
{

private Button mbutton1;
private String mText1;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main); 

    // Obtain handles to UI objects
    mbutton1 = (Button) findViewById(R.id.button1);

    mbutton1.setOnClickListener(new View.OnClickListener() {
        private String TAG;

        public void onClick(View v) {
            Log.d(TAG, "mbutton1 clicked");
            Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(mText1));
            resolver.query(uri, new String[]{PhoneLookup.DISPLAY_NAME});

}
    });
}
}

日志：

[2011-07-27 22:43:56 - ddmlib]An established connection was aborted by the software in your host machine
java.io.IOException: An established connection was aborted by the software in your host machine
    at sun.nio.ch.SocketDispatcher.write0(Native Method)
    at sun.nio.ch.SocketDispatcher.write(Unknown Source)
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(Unknown Source)
    at sun.nio.ch.IOUtil.write(Unknown Source)
    at sun.nio.ch.SocketChannelImpl.write(Unknown Source)
    at com.android.ddmlib.JdwpPacket.writeAndConsume(JdwpPacket.java:213)
    at com.android.ddmlib.Client.sendAndConsume(Client.java:574)
    at com.android.ddmlib.HandleHeap.sendREAQ(HandleHeap.java:348)
    at com.android.ddmlib.Client.requestAllocationStatus(Client.java:420)
    at com.android.ddmlib.DeviceMonitor.createClient(DeviceMonitor.java:854)
    at com.android.ddmlib.DeviceMonitor.openClient(DeviceMonitor.java:822)
    at com.android.ddmlib.DeviceMonitor.processIncomingJdwpData(DeviceMonitor.java:781)
    at com.android.ddmlib.DeviceMonitor.deviceClientMonitorLoop(DeviceMonitor.java:649)
    at com.android.ddmlib.DeviceMonitor.access$100(DeviceMonitor.java:42)
    at com.android.ddmlib.DeviceMonitor$3.run(DeviceMonitor.java:577)

[2011-07-27 22:43:56 - ddmlib]An established connection was aborted by the software in your host machine
java.io.IOException: An established connection was aborted by the software in your host machine
    at sun.nio.ch.SocketDispatcher.write0(Native Method)
    at sun.nio.ch.SocketDispatcher.write(Unknown Source)
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(Unknown Source)
    at sun.nio.ch.IOUtil.write(Unknown Source)
    at sun.nio.ch.SocketChannelImpl.write(Unknown Source)
    at com.android.ddmlib.JdwpPacket.writeAndConsume(JdwpPacket.java:213)
    at com.android.ddmlib.Client.sendAndConsume(Client.java:574)
    at com.android.ddmlib.HandleHeap.sendREAQ(HandleHeap.java:348)
    at com.android.ddmlib.Client.requestAllocationStatus(Client.java:420)
    at com.android.ddmlib.DeviceMonitor.createClient(DeviceMonitor.java:854)
    at com.android.ddmlib.DeviceMonitor.openClient(DeviceMonitor.java:822)
    at com.android.ddmlib.DeviceMonitor.processIncomingJdwpData(DeviceMonitor.java:781)
    at com.android.ddmlib.DeviceMonitor.deviceClientMonitorLoop(DeviceMonitor.java:649)
    at com.android.ddmlib.DeviceMonitor.access$100(DeviceMonitor.java:42)
    at com.android.ddmlib.DeviceMonitor$3.run(DeviceMonitor.java:577)

[2011-07-27 22:43:56 - ddmlib]An established connection was aborted by the software in your host machine
java.io.IOException: An established connection was aborted by the software in your host machine
    at sun.nio.ch.SocketDispatcher.write0(Native Method)
    at sun.nio.ch.SocketDispatcher.write(Unknown Source)
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(Unknown Source)
    at sun.nio.ch.IOUtil.write(Unknown Source)
    at sun.nio.ch.SocketChannelImpl.write(Unknown Source)
    at com.android.ddmlib.JdwpPacket.writeAndConsume(JdwpPacket.java:213)
    at com.android.ddmlib.Client.sendAndConsume(Client.java:574)
    at com.android.ddmlib.HandleHeap.sendREAQ(HandleHeap.java:348)
    at com.android.ddmlib.Client.requestAllocationStatus(Client.java:420)
    at com.android.ddmlib.DeviceMonitor.createClient(DeviceMonitor.java:854)
    at com.android.ddmlib.DeviceMonitor.openClient(DeviceMonitor.java:822)
    at com.android.ddmlib.DeviceMonitor.processIncomingJdwpData(DeviceMonitor.java:781)
    at com.android.ddmlib.DeviceMonitor.deviceClientMonitorLoop(DeviceMonitor.java:649)
    at com.android.ddmlib.DeviceMonitor.access$100(DeviceMonitor.java:42)
    at com.android.ddmlib.DeviceMonitor$3.run(DeviceMonitor.java:577)

[2011-07-27 22:43:56 - ddmlib]An established connection was aborted by the software in your host machine
java.io.IOException: An established connection was aborted by the software in your host machine
    at sun.nio.ch.SocketDispatcher.write0(Native Method)
    at sun.nio.ch.SocketDispatcher.write(Unknown Source)
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(Unknown Source)
    at sun.nio.ch.IOUtil.write(Unknown Source)
    at sun.nio.ch.SocketChannelImpl.write(Unknown Source)
    at com.android.ddmlib.JdwpPacket.writeAndConsume(JdwpPacket.java:213)
    at com.android.ddmlib.Client.sendAndConsume(Client.java:574)
    at com.android.ddmlib.HandleHeap.sendREAQ(HandleHeap.java:348)
    at com.android.ddmlib.Client.requestAllocationStatus(Client.java:420)
    at com.android.ddmlib.DeviceMonitor.createClient(DeviceMonitor.java:854)
    at com.android.ddmlib.DeviceMonitor.openClient(DeviceMonitor.java:822)
    at com.android.ddmlib.DeviceMonitor.processIncomingJdwpData(DeviceMonitor.java:781)
    at com.android.ddmlib.DeviceMonitor.deviceClientMonitorLoop(DeviceMonitor.java:649)
    at com.android.ddmlib.DeviceMonitor.access$100(DeviceMonitor.java:42)
    at com.android.ddmlib.DeviceMonitor$3.run(DeviceMonitor.java:577)

[2011-07-27 22:43:57 - ddmlib]An established connection was aborted by the software in your host machine
java.io.IOException: An established connection was aborted by the software in your host machine
    at sun.nio.ch.SocketDispatcher.write0(Native Method)
    at sun.nio.ch.SocketDispatcher.write(Unknown Source)
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(Unknown Source)
    at sun.nio.ch.IOUtil.write(Unknown Source)
    at sun.nio.ch.SocketChannelImpl.write(Unknown Source)
    at com.android.ddmlib.JdwpPacket.writeAndConsume(JdwpPacket.java:213)
    at com.android.ddmlib.Client.sendAndConsume(Client.java:574)
    at com.android.ddmlib.HandleHeap.sendREAQ(HandleHeap.java:348)
    at com.android.ddmlib.Client.requestAllocationStatus(Client.java:420)
    at com.android.ddmlib.DeviceMonitor.createClient(DeviceMonitor.java:854)
    at com.android.ddmlib.DeviceMonitor.openClient(DeviceMonitor.java:822)
    at com.android.ddmlib.DeviceMonitor.deviceClientMonitorLoop(DeviceMonitor.java:618)
    at com.android.ddmlib.DeviceMonitor.access$100(DeviceMonitor.java:42)
    at com.android.ddmlib.DeviceMonitor$3.run(DeviceMonitor.java:577)

---

您在哪里实例化

按钮1

实例？你需要像这样的东西

button1=（Button）findviewbyd（R.id.myButton）

日志上写着什么？我猜，当您尝试在空变量引用上设置单击式侦听器时，您会遇到一个
NullPointerException
。
您必须初始化按钮。首先，将全局变量
button1
更改为类型
Button
。然后，在setContentView（R.layout.main）之后，调用以下命令：

button1 = (Button)findViewById(R.id.button);

更新：

错误也可能是因为您正在尝试执行
Uri.encode（mText1）
，即使mText1为空。
请运行DDMS并检查logcat对此有何评论？由于我们不太清楚您的错误是什么，我们可能无法帮助您（我说可能只是因为这个网站上确实有人可能会做到这一点）。用相关stacktrace（在logcat中找到）的副本更新您的原始帖子。很抱歉，但我认为您没有发布相关的logcat输出；您能否查找有关
com.xenom.text
的一些例外情况？