hzuapps#4 hzuapps#2201 from Susie-Lau

com1614080901125/##4/java/MainActivity.xml

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+package com1614080901125.androidlabs.hzuapps.edu.hkmacgo;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.View;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.widget.Button;
+import android.widget.TextView;
+
+public class MainActivity extends AppCompatActivity {
+    protected TextView textView;
+    protected Button button ;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        Toolbar toolbar;
+        toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+        textView = findViewById(R.id.textview_01);
+        button = findViewById(R.id.my_button);
+
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(MainActivity.this, SecondActivity.class);
+                startActivity(intent);
+            }
+        });
+        FloatingActionButton fab;
+        fab = findViewById(R.id.fab);
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                        .setAction("Action", null).show();
+            }
+        });
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.menu_com1614080901116, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // Handle action bar item clicks here. The action bar will
+        // automatically handle clicks on the Home/Up button, so long
+        // as you specify a parent activity in AndroidManifest.xml.
+        int id = item.getItemId();
+
+        //noinspection SimplifiableIfStatement
+        if (id == R.id.action_settings) {
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+}}

com1614080901125/##4/java/SecondActivity.xml

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+package com1614080901125.androidlabs.hzuapps.edu.hkmacgo;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+public class secondActivity extends AppCompatActivity {
+    protected Button button ;
+    protected TextView tes;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_second);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        FloatingActionButton fab;
+        fab = findViewById(R.id.fab);
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                        .setAction("Action", null).show();
+            }
+        });
+    }
+
+}

com1614080901125/##4/res/layout/main_activity.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".activity_main"
+    tools:layout_editor_absoluteY="100dp">
+
+    <Button
+        android:id="@+id/button1"
+        android:layout_width="200dp"
+        android:layout_height="60dp"
+        android:text="½øÈ붩µ¥"
+        android:textSize="20sp"
+        tools:layout_editor_absoluteX="100dp"
+        tools:layout_editor_absoluteY="120dp" />
+
+    <Button
+        android:id="@+id/button2"
+        android:layout_width="200dp"
+        android:layout_height="60dp"
+        android:text="È¡Ïû¶©µ¥"
+        android:textSize="20sp"
+        tools:layout_editor_absoluteX="100dp"
+        app:layout_constraintTop_toBottomOf="@+id/button1"
+        tools:layout_editor_absoluteY="0dp"/>
+
+    <Button
+        android:id="@+id/button3"
+        android:layout_width="200dp"
+        android:layout_height="60dp"
+        android:text="Í˳ö"
+        android:textSize="20sp"
+        tools:layout_editor_absoluteX="100dp"
+        app:layout_constraintTop_toBottomOf="@+id/button2"
+        tools:layout_editor_absoluteY="0dp"/>
+
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="364dp"
+        android:layout_height="171dp"
+        android:layout_marginTop="84dp"
+
+        android:textSize="24dp"
+        app:layout_constraintTop_toBottomOf="@+id/button3"
+        tools:layout_editor_absoluteX="18dp" />
+
+
+</android.support.constraint.ConstraintLayout>

com1614080901125/##4/res/layout/second_activity.xml

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+package com1614080901125.androidlabs.hzuapps.edu.hkmacgo;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+public class secondActivity extends AppCompatActivity {
+    protected Button button ;
+    protected TextView tes;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_second);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        FloatingActionButton fab;
+        fab = findViewById(R.id.fab);
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                        .setAction("Action", null).show();
+            }
+        });
+    }
+
+}

com1614080901125/##4/res/values/strings.xml

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+<resources>
+    <string name="app_name">My Application</string>
+    <string name="title_activity_main">MainActivity</string>
+    <string name="title_home">Home</string>
+    <string name="title_dashboard">Dashboard</string>
+    <string name="title_notifications">Notifications</string>
+</resources>

com1614080901125/#3/report.md

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+# 第三次实验
+
+## 1.实验目标
+
+（1）在界面上显示至少一张图片（按照自己的题目添加）；
+（2）提交res/drawable及图片使用的代码；
+（3）提交res/values, res/layout等其他代码；
+（4）将应用运行结果截图，放到实验报告中；
+（5）点击图片（或按钮）时，打开另一个Activity。
+
+## 2.实验步骤
+
+统一步骤：
+https://github.com/hzuapps/android-labs-2018/blob/master/labs-steps.md
+Android 在TextView 中显示图片的4种方式：
+https://blog.csdn.net/u012724237/article/details/79010741
+
+## 3.实验结果
+
+![image](https://github.com/Susie-Lau/android-labs-2018/blob/master/com1614080901125/%233/res/drawable/cower.png?raw=true)
+![image](https://github.com/Susie-Lau/android-labs-2018/blob/master/com1614080901125/%233/res/drawable/cower2.png)
+
+## 4.实验心得
+此次实验虽然只是考验插入图片，但实际上在进行代码操作的时候，由于对java语言的不熟练，导致花费了很多时间去寻找和修改错误，因此，还是需要好好巩固知识。