为什么点击不起作用呢?
Activity
R
main.xml
R
main.xml
清单文件
public class MPlayerActivity extends Activity {
private Button playButton;//播放按钮
private Button restButton;//重播按钮
private Button break_Button;//停止按钮
private Button outButton;//退出按钮
private EditText text;
private String path;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
playButton=(Button)findViewById(R.id.play);
playButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
Toast.makeText(getApplicationContext(), "你点击了播放按钮!!", Toast.LENGTH_LONG);
System.out.println("你点击了播放按钮!!");
}
});
R
public static final class drawable {
public static final int ic_launcher=0x7f020000;
}
public static final class id {
public static final int break_=0x7f050004;
public static final int editText1=0x7f050000;
public static final int linearLayout1=0x7f050001;
public static final int linearLayout2=0x7f050002;
public static final int out=0x7f050006;
public static final int play=0x7f050003;
public static final int rest=0x7f050005;
}
public static final class layout {
public static final int main=0x7f030000;
}
public static final class string {
public static final int app_name=0x7f040001;
public static final int hello=0x7f040000;
}
main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textColor="#FFFFFF"
android:text="请输入要聆听的歌曲" />
<EditText
android:id="@+id/editText1"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<requestFocus />
</EditText>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textColor="#FFFFFF"
android:text="歌曲列表" />
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="300px"
android:orientation="vertical"
android:id="@+id/linearLayout1"
>
</LinearLayout>
<LinearLayout
android:id="@+id/linearLayout2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10px"
>
<Button
android:id="@+id/play"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="播放" />
<Button
android:id="@+id/break_"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="暂停" />
<Button
android:id="@+id/rest"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="重播" />
<Button
android:id="@+id/out"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="退出" />
</LinearLayout>
</LinearLayout>
public class MPlayerActivity extends Activity {
private Button playButton;//播放按钮
private Button restButton;//重播按钮
private Button break_Button;//停止按钮
private Button outButton;//退出按钮
private EditText text;
private String path;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
playButton=(Button)findViewById(R.id.play);
playButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
Toast.makeText(getApplicationContext(), "你点击了播放按钮!!", Toast.LENGTH_LONG);
System.out.println("你点击了播放按钮!!");
}
});
R
public static final class drawable {
public static final int ic_launcher=0x7f020000;
}
public static final class id {
public static final int break_=0x7f050004;
public static final int editText1=0x7f050000;
public static final int linearLayout1=0x7f050001;
public static final int linearLayout2=0x7f050002;
public static final int out=0x7f050006;
public static final int play=0x7f050003;
public static final int rest=0x7f050005;
}
public static final class layout {
public static final int main=0x7f030000;
}
public static final class string {
public static final int app_name=0x7f040001;
public static final int hello=0x7f040000;
}
main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textColor="#FFFFFF"
android:text="请输入要聆听的歌曲" />
<EditText
android:id="@+id/editText1"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<requestFocus />
</EditText>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textColor="#FFFFFF"
android:text="歌曲列表" />
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="300px"
android:orientation="vertical"
android:id="@+id/linearLayout1"
>
</LinearLayout>
<LinearLayout
android:id="@+id/linearLayout2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10px"
>
<Button
android:id="@+id/play"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="播放" />
<Button
android:id="@+id/break_"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.mymp3"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="8" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:label="@string/app_name"
android:name=".MPlayerActivity" >
<intent-filter >
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
...全文
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