1. BLP 4216 MOBİL UYGULAMA GELİŞTİRME-2
Dr. Aslı Ergün 1

2. BMI Ornek

3. <. xml version="1. 0" encoding="utf-8"
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android=" xmlns:app=" xmlns:tools=" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#E1C58E" tools:context=".MainActivity"> <LinearLayout android:layout_height="wrap_content" android:orientation="vertical" android:layout_marginTop="80dp"> <TextView android:layout_width="wrap_content" android:text="BMI HESAPLAMA" android:textSize="24sp" android:textStyle="bold" android:layout_gravity="center" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginTop="30dp">
<TextView
android:layout_width="50dp"
android:layout_marginStart="30dp"
/>
<EditText
android:hint="Kilo"
android:inputType="number"
/>
</LinearLayout>

4. <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal"> <TextView android:layout_width="50dp" android:layout_marginStart="30dp" /> <EditText android:hint="Boy" android:inputType="number" </LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="50dp"
android:layout_marginStart="30dp"
/>
<EditText
android:hint="Yaş"
android:inputType="number"
</LinearLayout>

5. <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical"> <RadioGroup android:layout_width="wrap_content" android:orientation="horizontal" android:layout_marginTop="30dp" android:layout_gravity="center"> <RadioButton android:text="Kadın" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="30dp"
android:text="Erkek"
/>
</RadioGroup>
<Button
android:layout_marginTop="30dp"
android:layout_gravity="center"
android:text="HESAPLA"
<TextView
</LinearLayout>

6. Mainactivity.java
public class MainActivity extends AppCompatActivity { Button butonhesap; TextView tv_ideal; EditText kilo; EditText boy; EditText yas; RadioGroup rdgrup; RadioButton k; RadioButton e; float protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); kilo = findViewById(R.id.kilo); boy = findViewById(R.id.boy); yas = findViewById(R.id.yas); tv_ideal = findViewById(R.id.ideal); rdgrup = findViewById(R.id.rdgroup); k = findViewById(R.id.kadin); e = findViewById(R.id.erkek); butonhesap = findViewById(R.id.button); butonhesap.setOnClickListener(new View.OnClickListener() {

7. Mainactivity.java 27.05.2019 @Override
public void onClick(View view) {
int secilenRadio= rdgrup.getCheckedRadioButtonId();
switch(secilenRadio) {
case(R.id.kadin):
katsayi =0.8f;
break;
case(R.id.erkek):
katsayi =0.9f;
default:
Toast.makeText(MainActivity.this, "Secim yapılmalı", Toast.LENGTH_SHORT).show(); }
float b = Float.parseFloat(boy.getText().toString());
float y =Float.parseFloat(yas.getText().toString());
float k =Float.parseFloat(kilo.getText().toString());
float ideal = (b y / 10) * katsayi;
tv_ideal.setText(Float.toString(ideal));
if (ideal<k)
Toast.makeText(MainActivity.this, "Kilolu", Toast.LENGTH_LONG).show();
else if(ideal>k)
Toast.makeText(MainActivity.this, "Zayıf", Toast.LENGTH_LONG).show();
else
Toast.makeText(MainActivity.this, "Normal", Toast.LENGTH_LONG).show();
});

8. Camera App

9. Activity_main.xml
<LinearLayout xmlns:android=" xmlns:app=" xmlns:tools=" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:layout_margin="20dp" tools:context=".MainActivity"> <LinearLayout android:layout_height="wrap_content" android:orientation="vertical"> <VideoView android:layout_height="150dp" /> <ImageView android:layout_marginTop="20dp" /> </LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:layout_width="150dp"
android:layout_height="60dp"
android:text="Video Çek"
android:layout_gravity="center"
app:layout_constraintEnd_toEndOf="parent"
android:layout_margin="20dp"
/>
android:text="Fotograf Cek"
</LinearLayout>

10. AndroidManifest.xml
<manifest xmlns:android="
package="com.example.myapplication19">
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<application
android:allowBackup="true"
android:supportsRtl="true"
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>

11. MainActivity.java
public class MainActivity extends AppCompatActivity { Button fotografcek; Button videocek; private static final int VIDEO_ACTION_CODE = 101; private static final int IMAGE_ACTION_CODE = protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); fotografcek = findViewById(R.id.fotocek); videocek = findViewById(R.id.videocek); fotografcek.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { takePhoto(); } }); videocek.setOnClickListener(new View.OnClickListener() { recordVideo();
public void takePhoto() {
Intent fotointent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(fotointent, IMAGE_ACTION_CODE); }
public void recordVideo() {
Intent videointent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
startActivityForResult(videointent, VIDEO_ACTION_CODE);
@Override
protected void onActivityResult(int requestCode, int Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode != RESULT_OK) return;
switch (requestCode) {
case VIDEO_ACTION_CODE:
VideoView videoV = findViewById(R.id.videoView);
videoV.setVideoURI(data.getData());
videoV.setMediaController(new MediaController(this));
videoV.requestFocus();
videoV.start();
break;
case IMAGE_ACTION_CODE:
Bundle extras = data.getExtras();
ImageView img = findViewById(R.id.imageView);
img.setImageBitmap((Bitmap) extras.get("data"));
default:
} }