School, ImageView example 28.01.2018

ImageView Example
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activity_main.xml
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <EditText
        android:id="@+id/etTemp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:hint="tempreture ..."
        android:inputType="numberSigned"
        android:textSize="22sp" />

    <Button
        android:id="@+id/btnShow"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Show"
        android:textSize="22sp" />

    <ImageView
        android:id="@+id/imgImage"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
</LinearLayout>


MainActivity.java
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package com.example.mohamadpc.bmiproject;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    EditText etTemp;
    Button btnShow;
    ImageView imgImage;

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

        etTemp = findViewById(R.id.etTemp);
        btnShow = findViewById(R.id.btnShow);
        imgImage = findViewById(R.id.imgImage);

        btnShow.setOnClickListener(this);

    }

    @Override
    public void onClick(View view) {
        double temp;
        temp = Double.parseDouble(etTemp.getText().toString());

        if (temp < 10) {
            imgImage.setImageResource(R.drawable.cold);
        } else if (temp < 20) {
            imgImage.setImageResource(R.drawable.clouds);
        } else {
            imgImage.setImageResource(R.drawable.sun);
        }
    }
}