Android/ErrorLogStack

エラーリストが取得用途

エラーレポーティング用途などで・・stacktraceエラーリストが取得できる

CustomUncaughtExceptionHandler.java

import android.content.Context;
import android.content.SharedPreferences;
import java.io.PrintWriter;
import java.io.StringWriter;
public class CustomUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler {
    private Context mContext;
    private Thread.UncaughtExceptionHandler mDefaultUncaughtExceptionHandler;
    public CustomUncaughtExceptionHandler(Context context) {
        mContext = context;
        mDefaultUncaughtExceptionHandler = Thread.getDefaultUncaughtExceptionHandler();
    }
    @Override
    public void uncaughtException(Thread thread, Throwable ex) {
        StringWriter stringWriter = new StringWriter();
        ex.printStackTrace(new PrintWriter(stringWriter));
        String stackTrace = stringWriter.toString();
        Log.d("error", "stackTrace=" + stackTrace);  // stackTraceこれがstacktraceエラーリスト
        mDefaultUncaughtExceptionHandler.uncaughtException(thread, ex);
    }
}

ExampleClass.java

public class ExampleClass {
    public static void test() {
        new ArrayList<String>().get(0);
    }
}
<pre>

MainActivity.java
<pre>
import android.content.Context;
import android.content.SharedPreferences;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        CustomUncaughtExceptionHandler customUncaughtExceptionHandler = new CustomUncaughtExceptionHandler(
                getApplicationContext());
        Thread.setDefaultUncaughtExceptionHandler(customUncaughtExceptionHandler);
        ExampleClass.test();
    }
}

参考

https://dev.classmethod.jp/smartphone/android/android-app-exception/

https://kokufu.blogspot.com/2013/01/android-uncaughtexceptionhandler-anr.html