MainActivity如下:
package cn.testcrash;
import android.app.Activity;
import android.os.Bundle;
/**
* Demo描述:
* 借助于Application自定义Crash
*
* 参考资料:
* 1 http://blog.csdn.net/xiaanming/article/details/9344703
* 2 http://blog.csdn.net/itachi85/article/details/9102021
*/
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
init();
}
//Crash
private void init(){
System.out.println((9727/0)+"");
}
}
CrashApplication如下:
package cn.testcrash;
import android.app.Application;
public class CrashApplication extends Application {
@Override
public void onCreate() {
super.onCreate();
CrashHandler crashHandler=CrashHandler.getInstance();
//指定Crash时的处理程序
crashHandler.setCrashHandler(getApplicationContext());
}
}
CrashHandler如下:
package cn.testcrash;
import java.lang.Thread.UncaughtExceptionHandler;
import android.content.Context;
import android.os.Looper;
import android.widget.Toast;
public class CrashHandler implements UncaughtExceptionHandler {
private Context mContext;
private static CrashHandler mCrashHandler=new CrashHandler();
public static CrashHandler getInstance(){
return mCrashHandler;
}
/**
* 设置当线程由于未捕获到异常而突然终止的默认处理程序。
*/
public void setCrashHandler(Context context){
mContext=context;
Thread.setDefaultUncaughtExceptionHandler(this);
}
/**
* 当发生Crash时调用该方法
*/
@Override
public void uncaughtException(Thread thread, Throwable throwable) {
//保存错误日志到SD卡
Utils.saveInfoToSDCard(mContext, throwable);
//提示Crash信息
showCrashTipToast();
try {
Thread.sleep(3000);
} catch (Exception e) {
}
//退出应用
System.exit(0);
}
private void showCrashTipToast() {
new Thread(new Runnable() {
@Override
public void run() {
Looper.prepare();
Toast.makeText(mContext, "I am very sorry", Toast.LENGTH_LONG).show();
Looper.loop();
}
}).start();
}
}
Utils如下:
package cn.testcrash;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.TimeZone;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Build;
public class Utils {
public static void saveInfoToSDCard(Context context, Throwable throwable) {
HashMap<String, String> hashMap=getBaseInfo(context);
StringBuilder stringBuilder=new StringBuilder();
for(Map.Entry<String, String> entry:hashMap.entrySet()){
String key=entry.getKey();
String value=entry.getValue();
stringBuilder.append(key).append("=").append(value).append("\n");
}
System.out.println("stringBuilder.toString()如下:"+"\n"+stringBuilder.toString());
/**
* 其余逻辑省略
*/
}
/**
* 获取设备及该App的基本信息
*/
public static HashMap<String, String> getBaseInfo(Context context){
HashMap<String, String> hashMap = new HashMap<String, String>();
PackageManager packageManager = context.getPackageManager();
PackageInfo packageInfo = null;
try {
packageInfo = packageManager.getPackageInfo(context.getPackageName(), PackageManager.GET_ACTIVITIES);
} catch (NameNotFoundException e) {
e.printStackTrace();
}
hashMap.put("versionName", packageInfo.versionName);
hashMap.put("versionCode", packageInfo.versionCode+"");
hashMap.put("MODEL", Build.MODEL+"");
hashMap.put("SDK_INT",Build.VERSION.SDK_INT+"");
hashMap.put("RELEASE",Build.VERSION.RELEASE+"");
hashMap.put("PRODUCT",Build.PRODUCT+"");
return hashMap;
}
private String getCurrentTime(){
String currentTime="";
long currentTimeMillis=System.currentTimeMillis();
System.setProperty("user.timezone", "Asia/Shanghai");
TimeZone timeZone = TimeZone.getTimeZone("Asia/Shanghai");
TimeZone.setDefault(timeZone);
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
Date currentDate=new Date(currentTimeMillis);
currentTime = simpleDateFormat.format(currentDate);
System.out.println("currentTime="+currentTime);
return currentTime;
}
}
main.xml如下:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="自定义Crash"
android:layout_centerInParent="true"
android:textSize="28sp"
/>
</RelativeLayout>
AndroidManifest.xml如下:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="cn.testcrash"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="8" />
<application
android:name="cn.testcrash.CrashApplication"
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="cn.testcrash.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>
