{"id":963,"date":"2023-09-22T14:26:22","date_gmt":"2023-09-22T06:26:22","guid":{"rendered":"https:\/\/swordofmorning.com\/?p=963"},"modified":"2025-10-09T13:55:19","modified_gmt":"2025-10-09T05:55:19","slug":"android-development-01","status":"publish","type":"post","link":"https:\/\/swordofmorning.com\/index.php\/2023\/09\/22\/android-development-01\/","title":{"rendered":"Android Development 01 Challenge 1"},"content":{"rendered":"

\u53c2\u8003\u89c6\u9891\uff1aAndroid Development for Beginners - Full Course<\/a><\/center><\/p>\n

\u4e00\u3001MainActivity.java<\/h2>\n
package com.example.challenge_1;\n\nimport androidx.appcompat.app.AppCompatActivity;\n\nimport android.os.Bundle;\nimport android.view.View;\nimport android.widget.EditText;\nimport android.widget.TextView;\n\npublic class MainActivity extends AppCompatActivity {\n\n    @Override\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        setContentView(R.layout.activity_main);\n    }\n\n    public void Register(View view)\n    {\n        TextView textView_display = findViewById(R.id.TextView_Display);\n        EditText edtText_uname = findViewById(R.id.EdtText_Username);\n        EditText editText_pwd = findViewById(R.id.EdtText_Password);\n\n        textView_display.setText("Uname: " + edtText_uname.getText().toString() + ", Pwd: " + editText_pwd.getText().toString());\n    }\n}<\/code><\/pre>\n
\u4e00\u3001activity_main.xml<\/h2>\n
<?xml version="1.0" encoding="utf-8"?>\n<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http:\/\/schemas.android.com\/apk\/res\/android"\n    xmlns:app="http:\/\/schemas.android.com\/apk\/res-auto"\n    xmlns:tools="http:\/\/schemas.android.com\/tools"\n    android:layout_width="match_parent"\n    android:layout_height="match_parent"\n    tools:context=".MainActivity">\n\n<!-- Username -->\n    <EditText\n        android:id="@+id\/EdtText_Username"\n        android:layout_width="300dp"\n        android:layout_height="100dp"\n        android:layout_marginTop="100dp"\n        android:ems="10"\n        android:hint="Username"\n        android:inputType="text"\n        android:textSize="48dp"\n        app:layout_constraintEnd_toEndOf="parent"\n        app:layout_constraintStart_toStartOf="parent"\n        app:layout_constraintTop_toTopOf="parent"\n    \/>\n\n<!-- Password -->\n    <EditText\n        android:id="@+id\/EdtText_Password"\n        android:layout_width="300dp"\n        android:layout_height="100dp"\n        android:layout_marginTop="200dp"\n        android:ems="10"\n        android:hint="Password"\n        android:inputType="textPassword"\n        android:textSize="48dp"\n        app:layout_constraintEnd_toEndOf="parent"\n        app:layout_constraintStart_toStartOf="parent"\n        app:layout_constraintTop_toTopOf="parent"\n    \/>\n\n<!-- Register BTN -->\n    <Button\n        android:id="@+id\/Btn_Register"\n        android:layout_width="200dp"\n        android:layout_height="100dp"\n        android:layout_marginTop="400dp"\n        android:text="Register"\n        android:textSize="48dp"\n        app:layout_constraintEnd_toEndOf="parent"\n        app:layout_constraintStart_toStartOf="parent"\n        app:layout_constraintTop_toTopOf="parent"\n        android:onClick="Register"\n    \/>\n\n<!-- TextView -->\n    <TextView\n        android:id="@+id\/TextView_Display"\n        android:layout_width="500dp"\n        android:layout_height="100dp"\n        android:layout_marginTop="600dp"\n        app:layout_constraintEnd_toEndOf="parent"\n        app:layout_constraintStart_toStartOf="parent"\n        app:layout_constraintTop_toTopOf="parent"\n    \/>\n\n<\/androidx.constraintlayout.widget.ConstraintLayout><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u53c2\u8003\u89c6\u9891\uff1aAndroid Development for Beginners – Full Course \u4e00\u3001MainActivi ̷","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/posts\/963"}],"collection":[{"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/comments?post=963"}],"version-history":[{"count":1,"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/posts\/963\/revisions"}],"predecessor-version":[{"id":964,"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/posts\/963\/revisions\/964"}],"wp:attachment":[{"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/media?parent=963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/categories?post=963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/tags?post=963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}