Pada kesempatan kali ini saya akan membuat aplikasi untuk menyimpan kontak tanpa database. check this out!!!
mainactivity.java
package com.aplikasiuas; import android.app.TabActivity; import android.content.Intent; import android.os.Bundle; import android.widget.TabHost; @SuppressWarnings("deprecation") public class MainActivity extends TabActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Intent intent; TabHost tabHost = getTabHost(); TabHost.TabSpec tabSpec; intent = new Intent(this, TambahActivity.class); tabSpec = getTabHost().newTabSpec("tab1").setIndicator( "TAMBAH").setContent(intent); tabHost.addTab(tabSpec); intent = new Intent(this, TampilkanActivity.class); tabSpec = getTabHost().newTabSpec("tab2").setIndicator( "TAMPILKAN").setContent(intent); tabHost.addTab(tabSpec); } } activity_main.xml
<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" > <LinearLayout android:id="@+id/linearLayout1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_alignParentTop="true" > </LinearLayout> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_below="@+id/linearLayout1" > <TabHost android:id="@android:id/tabhost" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" > <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TabWidget android:id="@android:id/tabs" android:layout_width="match_parent" android:layout_height="wrap_content" > </TabWidget> <FrameLayout android:id="@android:id/tabcontent" android:layout_width="match_parent" android:layout_height="match_parent" > <LinearLayout android:id="@+id/tab1" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal"> </LinearLayout> <LinearLayout android:id="@+id/tab2" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal"> </LinearLayout> </FrameLayout> </LinearLayout> </TabHost> </LinearLayout> </RelativeLayout>
subactivity.java
package com.aplikasiuas; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.EditText; import android.widget.TextView; /** * Created by shan on 22/07/2017. */ public class SubActivity extends AppCompatActivity { EditText nama, nohp; TextView notif; @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_sub); nama = (EditText)findViewById(R.id.et_nama); nohp = (EditText)findViewById(R.id.et_nohp); notif = (TextView)findViewById(R.id.tv_notif); } public void save(View view){ nama.setText(""); nohp.setText(""); notif.setText("Data Tersimpan"); } } activitysub.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:id="@+id/tv_nama" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Nama :" android:textSize="18sp" android:textColor="@android:color/black" android:layout_alignParentTop="true" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" android:layout_marginTop="150dp" android:layout_marginLeft="12dp" android:layout_marginRight="12dp"/> <TextView android:id="@+id/tv_nohp" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="No.HP :" android:textSize="18sp" android:textColor="@android:color/black" android:layout_below="@id/tv_nama" android:layout_marginTop="30dp" android:layout_marginLeft="12dp" android:layout_marginRight="12dp"/> <EditText android:id="@+id/et_nama" android:layout_width="150dp" android:layout_height="wrap_content" android:layout_toRightOf="@id/tv_nama" android:layout_marginTop="150dp"/> <EditText android:layout_width="150dp" android:layout_height="wrap_content" android:layout_toRightOf="@id/tv_nohp" android:layout_marginTop="200dp" android:id="@+id/et_nohp" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="save" android:textAllCaps="true" android:layout_marginTop="40dp" android:layout_below="@+id/et_nohp" android:layout_alignRight="@+id/et_nohp" android:layout_alignEnd="@+id/et_nohp" android:onClick="save" android:id="@+id/btn_save" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="" android:layout_below="@+id/btn_save" android:layout_centerHorizontal="true" android:layout_marginTop="60dp" android:id="@+id/tv_notif"/> </RelativeLayout>
tambahactivity.java
package com.aplikasiuas; import android.content.Intent; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.EditText; /** * Created by shan on 22/07/2017. */ public class TambahActivity extends AppCompatActivity { @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.tambah); } public void tambah(View view){ Intent intent = new Intent(TambahActivity.this, SubActivity.class); startActivity(intent); } } tambah.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="tambah" android:textAllCaps="true" android:layout_centerInParent="true" android:onClick="tambah"/> </RelativeLayout>
tampilkanactivity.java
package com.aplikasiuas; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.EditText; import android.widget.TextView; /** * Created by shan on 22/07/2017. */ public class TampilkanActivity extends AppCompatActivity { EditText nama, nohp; TextView notif; String nm,nhp; @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.tampilkan); nama = (EditText)findViewById(R.id.et_nama); nohp = (EditText)findViewById(R.id.et_nohp); notif = (TextView)findViewById(R.id.tv_notif); } public void save(View view){ nm=nama.getText().toString().trim(); nhp=nohp.getText().toString().trim(); notif.setText(""+nm +"\n"+nhp); } } tampilkan.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:id="@+id/tv_nama" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Nama :" android:textSize="18sp" android:textColor="@android:color/black" android:layout_alignParentTop="true" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" android:layout_marginTop="150dp" android:layout_marginLeft="12dp" android:layout_marginRight="12dp"/> <TextView android:id="@+id/tv_nohp" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="No.HP :" android:textSize="18sp" android:textColor="@android:color/black" android:layout_below="@id/tv_nama" android:layout_marginTop="30dp" android:layout_marginLeft="12dp" android:layout_marginRight="12dp"/> <EditText android:id="@+id/et_nama" android:layout_width="150dp" android:layout_height="wrap_content" android:layout_toRightOf="@id/tv_nama" android:layout_marginTop="150dp"/> <EditText android:layout_width="150dp" android:layout_height="wrap_content" android:layout_toRightOf="@id/tv_nohp" android:layout_marginTop="200dp" android:id="@+id/et_nohp" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="TAMPIL" android:textAllCaps="true" android:layout_marginTop="40dp" android:layout_below="@+id/et_nohp" android:layout_alignRight="@+id/et_nohp" android:layout_alignEnd="@+id/et_nohp" android:onClick="save" android:id="@+id/btn_save" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="" android:layout_below="@+id/btn_save" android:layout_centerHorizontal="true" android:layout_marginTop="60dp" android:id="@+id/tv_notif"/> </RelativeLayout>