tool
中點擊AVD Manager
就能夠設置本身的虛擬手機activity_main.xml
中,修改android:text=
後面的內容Hello World 20175226 20175225 20175227
package com.example.myapplication; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.Menu; import android.view.MotionEvent; import android.view.View; import android.view.View.OnTouchListener; import android.widget.TextView; import android.widget.Button; import android.widget.Toast; import android.graphics.Color; import android.widget.AnalogClock; public class MainActivity extends Activity implements OnTouchListener { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); TextView tv = (TextView) findViewById(R.id.textView1); tv.setOnTouchListener(this); } @Override public boolean onTouch(View arg0, MotionEvent event) { Intent intent = new Intent(this, ThirdActivity.class); intent.putExtra("message", "20175226王鵬雲"); startActivity(intent); return true; } }
package com.example.myapplication; import android.content.Context; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.app.Activity; import android.util.AttributeSet; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.Toast; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button btnshow1 = (Button) findViewById(R.id.btn1); btnshow1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Toast toast = Toast.makeText(MainActivity.this, "20175226王鵬雲", Toast.LENGTH_LONG); toast.show(); } }); } }
<?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=".MainActivity"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintRight_toRightOf="parent" app:layout_constraintTop_toTopOf="parent" /> <Button android:id="@+id/btn1" android:layout_width="wrap_content" android:layout_height="fill_parent" android:text="Hello!" /> </android.support.constraint.ConstraintLayout>
package com.example.myapplication; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } }
-activity_main.xmlhtml
<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="2dp" android:paddingRight="2dp"> <Button android:id="@+id/cancelButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:layout_marginTop="89dp" android:text="王鵬雲" /> <Button android:id="@+id/saveButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="20175226" android:layout_below="@+id/cancelButton" android:layout_alignLeft="@+id/cancelButton" android:layout_alignStart="@+id/cancelButton" android:layout_marginTop="65dp" /> <ImageView android:layout_width="150dp" android:layout_height="150dp" android:layout_marginTop="45dp" android:padding="4dp" android:src="@android:drawable/ic_btn_speak_now" tools:srcCompat="@tools:sample/avatars[8]" /> <LinearLayout android:id="@+id/filter_button_container" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:gravity="center|bottom" android:background="@android:color/white" android:orientation="horizontal" > <Button android:id="@+id/filterButton" android:layout_width="wrap_content" android:layout_height="fill_parent" android:text="開始" /> <Button android:id="@+id/shareButton" android:layout_width="wrap_content" android:layout_height="fill_parent" android:text="分享" /> <Button android:id="@+id/deleteButton" android:layout_width="wrap_content" android:layout_height="fill_parent" android:text="刪除" /> </LinearLayout> </RelativeLayout>
package com.example.myapplication; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.app.Activity; import android.graphics.Color; import android.os.Bundle; import android.view.Menu; import android.view.View; import android.widget.AnalogClock; import android.app.Activity; import android.graphics.Color; import android.os.Bundle; import android.view.Menu; import android.view.View; import android.widget.AnalogClock; public class MainActivity extends Activity { int counter = 0; int[] colors = { Color.BLACK, Color.BLUE, Color.CYAN, Color.DKGRAY, Color.GRAY, Color.GREEN, Color.LTGRAY, Color.MAGENTA, Color.RED, Color.WHITE, Color.YELLOW }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } public void changeColor(View view) { if (counter == colors.length) { counter = 0; } view.setBackgroundColor(colors[counter++]); } }
<?xml version="1.0" encoding="utf-8"?> <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" tools:context=".MainActivity"> <AnalogClock android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:layout_marginTop="90dp" android:id="@+id/analogClock1" android:onClick="changeColor" /> <TextView android:layout_width="match_parent" android:layout_height="match_parent" android:text="20175226王鵬雲" android:layout_marginLeft="70dp" android:layout_marginTop="300dp" android:textSize="38dp" android:textColor="#bbbb00"/> </RelativeLayout>
因爲碼雲倉庫出現了一些問題致使沒法上傳,在從新弄好以後補上連接android