增加备份还原按钮

AndroidManifest.xml

@@ -6,7 +6,7 @@
     <uses-sdk android:minSdkVersion="7" />
 
     <application android:icon="@drawable/icon" android:label="@string/app_name">
-        <activity android:name=".Main"
+        <activity android:name=".MainActivity"
                   android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

gen/cn/youmay/R.java

@@ -14,17 +14,16 @@ public static final class drawable {
         public static final int icon=0x7f020000;
     }
     public static final class id {
-        public static final int appName=0x7f050002;
-        public static final int icon=0x7f050001;
-        public static final int lv=0x7f050000;
-        public static final int packageName=0x7f050003;
+        public static final int btnBackup=0x7f050000;
+        public static final int btnRestore=0x7f050001;
     }
     public static final class layout {
         public static final int main=0x7f030000;
-        public static final int piitem=0x7f030001;
     }
     public static final class string {
         public static final int app_name=0x7f040001;
+        public static final int backup=0x7f040002;
         public static final int hello=0x7f040000;
+        public static final int restore=0x7f040003;
     }
 }

res/layout/main.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 	android:orientation="vertical" android:layout_width="fill_parent"
-	android:layout_height="fill_parent">
-	<ListView android:id="@+id/lv" android:layout_width="fill_parent"
-		android:layout_height="fill_parent">
-	</ListView>
+	android:layout_height="wrap_content">
+    <Button android:layout_height="wrap_content" android:text="@string/backup" 
+    android:id="@+id/btnBackup" android:maxWidth="200sp" android:layout_width="fill_parent"></Button>
+    <Button android:text="@string/restore" android:id="@+id/btnRestore" 
+    android:layout_height="fill_parent" android:layout_width="fill_parent"></Button>
 </LinearLayout>

res/values/strings.xml

@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string name="hello">Hello World, MainActivity!</string>
-    <string name="app_name">使用系统ContentProvider</string>
+    <string name="app_name">备份还原</string>
+    <string name="backup">备份</string>
+    <string name="restore">还原</string>
 </resources>

src/cn/youmay/MainActivity.java

@@ -0,0 +1,20 @@
+package cn.youmay;
+
+
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.widget.Button;
+
+public class MainActivity extends Activity{
+	private Button btnBackup;
+	private Button btnRestore;
+
+
+	@Override
+	public void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		btnBackup=(Button)findViewById(R.id.btnBackup);
+		btnRestore=(Button)findViewById(R.id.btnRestore);
+	}
+}