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/data/data/<パッケージ名>/shared_prefs/<パッケージ名>_preferences.xml
※PreferenceManager.getDefaultSharedPreferences()を使った場合

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SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
SharedPreferences.Editor editor = sharedPreferences.edit();
editor.putString("key", "value");
editor.commit();

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import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

public class MainActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

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public class MainActivity extends Activity {

    ProgressDialog mProgressDialog;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        findViewById(R.id.button).setOnClickListener(new OnClickListener() {

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import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.util.Log;

public class ConnectivityReceiver extends BroadcastReceiver {

    /*

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public class MainActivity extends Activity {

    ProgressDialog mProgressDialog;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mProgressDialog = new ProgressDialog(this);

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import android.graphics.Bitmap;
import android.support.v4.util.LruCache;

public final class ImageCache {

    private static final int MEM_CACHE_SIZE = 1 * 1024 * 1024; // 1MB

    private static LruCache<String, Bitmap> sLruCache;

    static {

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public class SplashActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.splash);

        Handler handler = new Handler() {
            @Override
            public void handleMessage(Message msg) {