我正在使用 android SDK 在 eclipse 中开发一个 android 应用程序，我不断收到这些我无法理解的错误（这是我的第一个 android 应用程序），这些错误可能源于我缺乏编码技能或 XML 中的设置文件，所以我不想用所有这些来淹没你，读者，但这里有，输出：
12-27 13:01:07.872: E/AndroidRuntime(621): at android.app.ActivityThread.access$600(ActivityThread.java:130)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.os.Handler.dispatchMessage(Handler.java:99)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.os.Looper.loop(Looper.java:137)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.app.ActivityThread.main(ActivityThread.java:4745)
12-27 13:01:07.872: E/AndroidRuntime(621): at java.lang.reflect.Method.invokeNative(Native Method)
12-27 13:01:07.872: E/AndroidRuntime(621): at java.lang.reflect.Method.invoke(Method.java:511)
12-27 13:01:07.872: E/AndroidRuntime(621): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
12-27 13:01:07.872: E/AndroidRuntime(621): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
12-27 13:01:07.872: E/AndroidRuntime(621): at dalvik.system.NativeStart.main(Native Method)
12-27 13:01:07.872: E/AndroidRuntime(621): Caused by: android.view.InflateException: Binary XML file line #8: Error inflating class <unknown>
12-27 13:01:07.872: E/AndroidRuntime(621): at android.view.LayoutInflater.createView(LayoutInflater.java:613)
12-27 13:01:07.872: E/AndroidRuntime(621): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.view.LayoutInflater.onCreateView(LayoutInflater.java:660)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
12-27 13:01:07.872: E/AndroidRuntime(621): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:256)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.app.Activity.setContentView(Activity.java:1867)
12-27 13:01:07.872: E/AndroidRuntime(621): at com.chuggle.clink.MainActivity.onCreate(MainActivity.java:31)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.app.Activity.performCreate(Activity.java:5008)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023)
12-27 13:01:07.872: E/AndroidRuntime(621): ... 11 more
12-27 13:01:07.872: E/AndroidRuntime(621): Caused by: java.lang.reflect.InvocationTargetException
12-27 13:01:07.872: E/AndroidRuntime(621): at java.lang.reflect.Constructor.constructNative(Native Method)
12-27 13:01:07.872: E/AndroidRuntime(621): at java.lang.reflect.Constructor.newInstance(Constructor.java:417)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.view.LayoutInflater.createView(LayoutInflater.java:587)
12-27 13:01:07.872: E/AndroidRuntime(621): ... 24 more
12-27 13:01:07.872: E/AndroidRuntime(621): Caused by: android.content.res.Resources$NotFoundException: Resource is not a Drawable (color or path): TypedValue{t=0x1/d=0x7f060000 a=-1 r=0x7f060000}
12-27 13:01:07.872: E/AndroidRuntime(621): at android.content.res.Resources.loadDrawable(Resources.java:1892)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.content.res.TypedArray.getDrawable(TypedArray.java:601)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.view.View.<init>(View.java:3336)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.view.ViewGroup.<init>(ViewGroup.java:427)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.widget.LinearLayout.<init>(LinearLayout.java:176)
12-27 13:01:07.872: E/AndroidRuntime(621): at android.widget.LinearLayout.<init>(LinearLayout.java:172)
12-27 13:01:07.872: E/AndroidRuntime(621): ... 27 more
12-27 13:01:12.192: I/Process(621): Sending signal. PID: 621 SIG: 9
XML:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.chuggle.clink"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="14"
android:targetSdkVersion="16" ></uses-sdk>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" android:permission="android.permission.NFC" android:enabled="true" android:debuggable="true">
<activity
android:name="com.chuggle.clink.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
爪哇：
package com.chuggle.clink;
import java.util.Calendar;
import android.app.Activity;
import android.app.PendingIntent;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IntentFilter.MalformedMimeTypeException;
import android.nfc.FormatException;
import android.nfc.NdefMessage;
import android.nfc.NfcAdapter;
import android.nfc.tech.NfcF;
import android.os.Bundle;
import android.os.Parcelable;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.ToggleButton;
public class MainActivity extends Activity {
NfcAdapter nfcAdapter;
private PendingIntent pint;
private IntentFilter[] mesfilt;
private String[][] TList;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final EditText messageholder = (EditText) findViewById(R.id.ToSend);
final Button TButton = (ToggleButton) findViewById(R.id.SendButton);
nfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (nfcAdapter == null) return;
pint = PendingIntent.getActivity(this, 0,
new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
IntentFilter ndef = new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED);
try {
ndef.addDataType("*/*");
} catch (MalformedMimeTypeException e) {
throw new RuntimeException("fail", e);
}
mesfilt = new IntentFilter[] {
ndef,
};
TList = new String[][] { new String[] { NfcF.class.getName() } };
if (nfcAdapter == null) return;
TButton.setOnClickListener( new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
sendMessage(messageholder.getText().toString());
}
});
}
String resolveIntent(Intent intent) {
NdefMessage[] msgs = null;
if(intent.equals(NfcAdapter.ACTION_NDEF_DISCOVERED)){
Parcelable[] rawMsgs = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
if(rawMsgs!=null){
msgs = new NdefMessage[rawMsgs.length];
for(int i=0;i<rawMsgs.length;i++){
msgs[i] = (NdefMessage) rawMsgs[i];
}
}
}
else {
return("Recieving Error");
}
return msgs.toString();
}
public void sendMessage(String OrToSend){
Calendar rightNow = Calendar.getInstance();
OrToSend = OrToSend+" --"+rightNow.getTime().toString();
byte[] textBytes = OrToSend.getBytes();
NdefMessage MessageToSend = null;
try {
MessageToSend = new NdefMessage(textBytes);
} catch (FormatException e) {
e.printStackTrace();
MessageUpdate("Message Error, Cannot Send");
}
nfcAdapter.setNdefPushMessage(MessageToSend, this);
}
@Override
public void onResume() {
super.onResume();
nfcAdapter.enableForegroundDispatch(this, pint, mesfilt, TList);
}
@Override
public void onNewIntent(Intent intent) {
Log.i("Foreground dispatch", "Discovered tag with intent: " + intent);
Log.i(intent.toString(), resolveIntent(intent));
}
@Override
public void onPause() {
super.onPause();
nfcAdapter.disableForegroundDispatch(this);
}
public void MessageUpdate(String NewString){
TextView M1 = (TextView)findViewById(R.id.M1);
TextView M2 = (TextView)findViewById(R.id.M2);
TextView M3 = (TextView)findViewById(R.id.M3);
TextView M4 = (TextView)findViewById(R.id.M4);
TextView M5 = (TextView)findViewById(R.id.M5);
TextView M6 = (TextView)findViewById(R.id.M6);
TextView M7 = (TextView)findViewById(R.id.M7);
TextView M8 = (TextView)findViewById(R.id.M8);
TextView M9 = (TextView)findViewById(R.id.M9);
TextView M10 = (TextView)findViewById(R.id.M10);
TextView M11 = (TextView)findViewById(R.id.M11);
TextView M12 = (TextView)findViewById(R.id.M12);
TextView M13 = (TextView)findViewById(R.id.M13);
TextView M14 = (TextView)findViewById(R.id.M14);
TextView M15 = (TextView)findViewById(R.id.M15);
TextView M16 = (TextView)findViewById(R.id.M16);
TextView M17 = (TextView)findViewById(R.id.M17);
TextView M18 = (TextView)findViewById(R.id.M18);
TextView M19 = (TextView)findViewById(R.id.M19);
TextView M20 = (TextView)findViewById(R.id.M20);
TextView M21 = (TextView)findViewById(R.id.M21);
M21.setText(M20.getText());
M20.setText(M19.getText());
M19.setText(M18.getText());
M18.setText(M17.getText());
M17.setText(M16.getText());
M16.setText(M15.getText());
M15.setText(M14.getText());
M14.setText(M13.getText());
M13.setText(M12.getText());
M12.setText(M11.getText());
M11.setText(M10.getText());
M10.setText(M9.getText());
M9.setText(M8.getText());
M8.setText(M7.getText());
M7.setText(M6.getText());
M6.setText(M5.getText());
M4.setText(M3.getText());
M2.setText(M1.getText());
M1.setText(NewString);
}
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
对不起，这一切都很丑陋，我很确定我的代码大部分都是错误的，但这不是我关心的部分，请随时提供帮助，但我真正需要知道的是为什么这些错误是发生以及如何解决它们。对不起，这是一个巨大的职位。谢谢。