ITI0011:Android praktikum 1

Lähtekood

23. praktikumis tehtud kood: Meedia:ITI0011-Android-FirstApp.zip

Põhilised koodifailid

MainActivity.java

<source lang="java"> package ee.ttu.firstapp;

import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.ImageView; import android.widget.TextView;

public class MainActivity extends Activity {

private EditText questionField; private Button askButton; private TextView responseText; private ImageView responseImage;

@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);

Log.d("MainActivity", "ON CREATE");

setContentView(R.layout.activity_main);

questionField = (EditText) findViewById(R.id.questionField); askButton = (Button) findViewById(R.id.askButton); responseText = (TextView) findViewById(R.id.responseText); responseImage = (ImageView) findViewById(R.id.responseImage); }

public void ask(View view) { String question = questionField.getText().toString();

Log.d("MainActivity", "Question: " + question);

if (Math.random() < 0.5) { responseText.setText("Nope!"); responseImage.setImageResource(R.drawable.grumpycat_nope); } else { responseText.setText("Hell yeah!"); responseImage.setImageResource(R.drawable.thumbs_up); } }

public void showSecond(View view) { Intent intent = new Intent(this, SecondActivity.class);

String question = questionField.getText().toString();

intent.putExtra("küsimus", question);

startActivity(intent); }

}

</source>

SecondActivity.java

<source lang="java"> package ee.ttu.firstapp;

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

public class SecondActivity extends Activity {

@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);

setContentView(R.layout.activity_second);

TextView placeholder = (TextView) findViewById(R.id.placeholder); String question = getIntent().getStringExtra("küsimus");

placeholder.setText(question); } }

</source>

AndroidManifest.xml

<source lang="xml"> <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"

   package="ee.ttu.firstapp" >

   <application
       android:allowBackup="true"
       android:icon="@mipmap/ic_launcher"
       android:label="@string/app_name"
       android:theme="@style/AppTheme" >
       <activity
           android:name=".MainActivity"
           android:label="@string/app_name" >
           <intent-filter>
               <action android:name="android.intent.action.MAIN" />

               <category android:name="android.intent.category.LAUNCHER" />
           </intent-filter>
       </activity>
       <activity android:name=".SecondActivity"/>
   </application>

</manifest>

</source>

res/layout/activity_main.xml

<source lang="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"
               android:paddingLeft="@dimen/activity_horizontal_margin"
               android:paddingRight="@dimen/activity_horizontal_margin"
               android:paddingTop="@dimen/activity_vertical_margin"
               android:paddingBottom="@dimen/activity_vertical_margin"
               tools:context=".MainActivity">

   <TextView
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:textAppearance="?android:attr/textAppearanceLarge"
       android:text="Ask a question"
       android:id="@+id/textView"
       android:layout_alignParentTop="true"
       android:layout_alignParentStart="true"
       android:layout_alignParentEnd="true"/>

   <EditText
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:id="@+id/questionField"
       android:layout_below="@+id/textView"
       android:layout_alignParentStart="true"
       android:layout_alignParentEnd="true"
       android:hint="Question"/>

   <Button
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:text="Ask"
       android:id="@+id/askButton"
       android:layout_below="@+id/questionField"
       android:layout_centerHorizontal="true"
       android:onClick="ask"/>

   <TextView
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:textAppearance="?android:attr/textAppearanceSmall"
       android:text="Response will be here"
       android:id="@+id/responseText"
       android:layout_below="@+id/askButton"
       android:layout_centerHorizontal="true"/>

   <ImageView
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:id="@+id/responseImage"
       android:layout_below="@+id/responseText"
       android:layout_alignParentBottom="true"
       android:layout_alignParentEnd="true"
       android:layout_alignParentStart="true"
       android:scaleType="fitCenter"
       android:onClick="showSecond"/>

</RelativeLayout>

</source>

res/layout/activity_second.xml

<source lang="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"
               android:background="#ffae5646">

   <TextView
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:textAppearance="?android:attr/textAppearanceLarge"
       android:text="Placeholder"
       android:id="@+id/placeholder"
       android:layout_centerVertical="true"
       android:layout_centerHorizontal="true"/>

</RelativeLayout> </source>

res/layout-land/activity_second.xml

<source lang="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"
               android:background="#ff5391ae">

   <TextView
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:textAppearance="?android:attr/textAppearanceLarge"
       android:text="Another placeholder"
       android:id="@+id/placeholder"
       android:layout_alignParentTop="true"
       android:layout_centerHorizontal="true"/>

</RelativeLayout> </source>