<GetDisplayMetrics.java>
1: package com.android.getdisplaymetrics;
2:
3: import android.app.Activity;
4: import android.os.Bundle;
5: import android.util.DisplayMetrics;
6: import android.view.View;
7: import android.view.View.OnClickListener;
8: import android.widget.Button;
9: import android.widget.TextView;
10:
11: public class GetDisplayMetrics extends Activity {
12:
13: private TextView textviewDisplayMetrics;
14: private Button btnRun, btnExit;
15:
16: @Override
17: public void onCreate(Bundle savedInstanceState) {
18: super.onCreate(savedInstanceState);
19: setContentView(R.layout.main);
20: findViews();
21: setButtonListeners();
22: }
23:
24: private void findViews() {
25: textviewDisplayMetrics = (TextView) findViewById(R.id.displaymetricsTextView);
26: btnRun = (Button) findViewById(R.id.runBtn);
27: btnExit = (Button) findViewById(R.id.exitBtn);
28: }
29:
30: private void setButtonListeners() {
31:
32: btnRun.setOnClickListener(new OnClickListener(){
33: // 取得手機螢幕大小
34: public void onClick(View v) {
35: getDisplayMetrics();
36: }
37: });
38:
39: btnExit.setOnClickListener(new OnClickListener(){
40: // 執行 【離開】
41: public void onClick(View v) {
42: android.os.Process.killProcess(android.os.Process.myPid());
43: }
44: });
45: }
46:
47: private void getDisplayMetrics() {
48: // 取得手機螢幕大小
49: DisplayMetrics dm = new DisplayMetrics();
50: this.getWindowManager().getDefaultDisplay().getMetrics(dm);
51: textviewDisplayMetrics.setText( getString(R.string.strDisplayMetrics)+
52: dm.widthPixels + " * " + dm.heightPixels);
53: }
54:
55: }
<main.xml>
1: <?xml version="1.0" encoding="utf-8"?>
2: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3: android:layout_width="fill_parent"
4: android:layout_height="fill_parent"
5: android:orientation="vertical" >
6:
7: <TextView
8: android:id="@+id/displaymetricsTextView"
9: android:layout_width="fill_parent"
10: android:layout_height="wrap_content"
11: android:text="@string/strDisplayMetrics" />
12:
13: <LinearLayout
14: android:layout_width="match_parent"
15: android:layout_height="wrap_content" >
16:
17: <Button
18: android:id="@+id/runBtn"
19: android:layout_width="wrap_content"
20: android:layout_height="wrap_content"
21: android:text="@string/strExecute" />
22:
23: <Button
24: android:id="@+id/exitBtn"
25: android:layout_width="wrap_content"
26: android:layout_height="wrap_content"
27: android:text="@string/strExit" />
28:
29: </LinearLayout>
30:
31: </LinearLayout>
<strings.xml>
1: <?xml version="1.0" encoding="utf-8"?>2: <resources>3:4: <string name="hello">Hello World, GetDisplayMetrics!</string>5: <string name="app_name">GetDisplayMetrics</string>6: <string name="strDisplayMetrics">手機螢幕大小：</string>7: <string name="strExecute">取得手機螢幕大小</string>8: <string name="strExit">離開</string>9:10: </resources>
