fnzainal

@Override
    public void onStop() {
        super.onStop();
        //params listAdapter, name of ExpandableListAdapter
        for (int i =0;i<listAdapter.getGroupCount();i++){
            //params expListView, name of ExpandableListView
            expListView.collapseGroup(i);
        }
    }

fnzainal

View header = LayoutInflater.from(this).inflate(R.layout.nav_header_main, null);
            navigationView.addHeaderView(header);
strUid = (TextView)header.findViewById(R.id.tvUsername);
strUid.setText(uid);

fnzainal

cd android-sdks/platform-tools/

./adb connect [ip android device]

./adb devices

fnzainal

<android.support.design.widget.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content">
  
                <EditText
                    android:id="@+id/etThink"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:hint="what do you think?"
                    />

fnzainal

private void getDataRequest() {
        String url= "";
        RequestQueue queue = Volley.newRequestQueue(getActivity());
        StringRequest postRequest = new StringRequest(Request.Method.GET, url,
                new Response.Listener<String>()
                {
                    @Override
                    public void onResponse(String response) {
                        progress.dismiss();
                        Log.d("response", response);

fnzainal

Timer timer = new Timer();
    
    @Override
    public void onCreate()
    {
        timer.scheduleAtFixedRate(new TimerTask() {
            @Override
            public void run() {
              CallMethod();
            }

fnzainal

package fungsi;

public class Fungsi {
	public static void main(String[] args){
		double a=50.51;
		int b= -234;
		String aca="   contoh String";
		String tes="uji.coba";

		System.out.println("double a=50.51;");

fnzainal

//on first activity
Intent intent = new Intent(First.this,Second.class);
       intent.putExtra("string_id",str_id);
       startActivity(intent);


//on second activity
Bundle bundle = getIntent().getExtras();
        if (bundle!=null){
            str_nama = bundle.getString("string_id");

fnzainal

GlideUrl glideUrl = new GlideUrl(url, new LazyHeaders.Builder()
                                      .addHeader("key","value").build());

Glide.with(getApplicationContext())
        .load(glideUrl)
        .into(imageView);

fnzainal

import com.afollestad.materialdialogs.MaterialDialog.Builder;

new MaterialDialog.Builder(this)
                    .content("Enter your name")
                    .inputRange(5,20)
                    .cancelable(false)
                    .inputType(InputType.TYPE_TEXT_FLAG_CAP_WORDS)
                    .input("your name", null, new MaterialDialog.InputCallback() {
                        @Override
                        public void onInput(MaterialDialog dialog, CharSequence input) {