Khi mình run chương trình thì: Unfortunately Myapplication has stopped.
file.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/colorLightMilk"
android:orientation="vertical">
<LinearLayout
android:layout_marginTop="10dp"
android:layout_width="match_parent"
android:layout_height="85dp"
android:orientation="horizontal">
<RelativeLayout
android:layout_width="170dp"
android:layout_height="85dp">
<TextView
android:id="@+id/buoc1"
android:text="CHUẨN BỊ NGUYÊN LIỆU."
android:layout_width="170dp"
android:layout_height="47dp"
android:layout_marginTop="30dp"
android:gravity="center"
android:layout_centerVertical="true"
android:textColor="@color/colorGreen"
android:background="@color/colorRed"></TextView>
</RelativeLayout>
<RelativeLayout
android:layout_width="210dp"
android:layout_height="85dp">
<ImageView
android:id="@+id/image1"
android:layout_height="80dp"
android:layout_width="match_parent"
android:src="@drawable/buocdau"
android:layout_centerHorizontal="true" />
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="85dp"
android:orientation="horizontal">
<RelativeLayout
android:layout_width="170dp"
android:layout_height="85dp">
<TextView
android:id="@+id/buoc2"
android:text="XAY THÀNH BỘT."
android:layout_width="170dp"
android:layout_height="47dp"
android:gravity="center"
android:layout_centerVertical="true"
android:textColor="@color/colorGreen"
android:background="@color/colorRed"></TextView>
</RelativeLayout>
<RelativeLayout
android:layout_width="210dp"
android:layout_height="85dp">
<ImageView
android:id="@+id/image2"
android:layout_height="80dp"
android:layout_width="match_parent"
android:layout_centerHorizontal="true"
android:src="@drawable/buoc2" />
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="85dp"
android:orientation="horizontal">
<RelativeLayout
android:layout_width="170dp"
android:layout_height="85dp">
<TextView
android:id="@+id/buoc4"
android:text="ĐỢI."
android:layout_width="170dp"
android:layout_height="47dp"
android:layout_centerVertical="true"
android:gravity="center"
android:textColor="@color/colorGreen"
android:background="@color/colorRed"></TextView>
</RelativeLayout>
<RelativeLayout
android:layout_width="210dp"
android:layout_height="85dp">
<ImageView
android:id="@+id/image4"
android:layout_height="80dp"
android:layout_width="match_parent"
android:layout_centerHorizontal="true"
android:src="@drawable/buoc4" />
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="85dp"
android:orientation="horizontal">
<RelativeLayout
android:layout_width="170dp"
android:layout_height="85dp">
<TextView
android:id="@+id/buoc5"
android:text="THÊM SỮA VÀ THƯỞNG THỨC."
android:layout_width="170dp"
android:layout_height="47dp"
android:gravity="center"
android:layout_centerVertical="true"
android:textColor="@color/colorGreen"
android:background="@color/colorRed"></TextView>
</RelativeLayout>
<RelativeLayout
android:layout_width="210dp"
android:layout_height="85dp">
<ImageView
android:id="@+id/image5"
android:layout_height="80dp"
android:layout_width="match_parent"
android:layout_marginLeft="0dp"
android:src="@drawable/buoc5sua" />
</RelativeLayout>
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="150dp">
<Button
android:id="@+id/quayLai"
android:text="QUAY LẠI"
android:layout_marginTop="30dp"
android:layout_width="200dp"
android:layout_height="60dp"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:textColor="@color/colorRed"
android:background="@color/colorGreen" />
</RelativeLayout>
</LinearLayout>
Còn đây là file.java:
package inh_khc_quy_developer_apps.myapplication;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
public class Test extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_test);
}
}
file manifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="inh_khc_quy_developer_apps.myapplication">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".Test">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Ảnh thì đầy đủ rồi nhé, MyApplication has stopped.

thử chỉnh lại nhỏ hơn xem =)) 1 số máy bị ntn, cũng ko hiểu tại sao
83% thành viên diễn đàn không hỏi bài tập, còn bạn thì sao?