Merge pull request #952 from sjy503201878/master

#94 #95 #156 已完成全部实验

app/src/main/java/edu/hzuapps/androidworks/homeworks/com1314080901130/AndroidManifest.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.music"
+    android:versionCode="1"
+    android:versionName="1.0" >
+
+    <uses-sdk
+        android:minSdkVersion="8"
+        android:targetSdkVersion="17" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/sjy"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme" >
+        <activity
+            android:name="com.example.music.MainActivity"
+            android:label="@string/app_name" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+         <service android:enabled="true" android:name="com.example.music.MusicService">
+			<intent-filter>
+				<action android:name="musicService" />
+			</intent-filter>
+		</service>
+    </application>
+
+</manifest>

app/src/main/java/edu/hzuapps/androidworks/homeworks/com1314080901130/MainActivity.java

@@ -0,0 +1,178 @@
+package edu.hzuapps.androidworks.homeworks.com1314080901130;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import android.app.Activity;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.database.Cursor;
+import android.os.Bundle;
+import android.provider.MediaStore.Audio.Media;
+import android.view.Menu;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.AdapterView;
+import android.widget.Button;
+import android.widget.ImageButton;
+import android.widget.ListView;
+import android.widget.SimpleAdapter;
+import android.widget.AdapterView.OnItemClickListener;
+
+public class MainActivity extends Activity implements OnClickListener {
+	List<Object> musiclists = new ArrayList<Object>();
+	List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
+
+	ImageButton play_pause,  onplay, downplay;
+	Button exit;
+	ActivityReceiver activityReceiver;
+	public static final String CTL_ACTION = "org.crazyit.action.CTL_ACTION";
+	public static final String UPDATE_ACTION = "org.crazyit.action.UPDATE_ACTION";
+	Intent intentservice;
+	// 定义音乐的播放状态 ，0X11 代表停止 ，0x12代表播放,0x13代表暂停
+	int status = 0x11;
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_main);
+		UIinit();
+		logic();
+		musicList();
+		activityReceiver = new ActivityReceiver();
+		IntentFilter filter = new IntentFilter();
+		filter.addAction(UPDATE_ACTION);
+		registerReceiver(activityReceiver, filter);
+		intentservice = new Intent(this, MusicService.class);
+		startService(intentservice);
+	}
+
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+		// Inflate the menu; this adds items to the action bar if it is present.
+		getMenuInflater().inflate(R.menu.main, menu);
+		return true;
+	}
+
+	public void UIinit() {
+		play_pause = (ImageButton) this.findViewById(R.id.play_pause);
+
+
+		onplay = (ImageButton) this.findViewById(R.id.onplay);
+		exit = (Button) this.findViewById(R.id.exit);
+		downplay = (ImageButton) this.findViewById(R.id.downplay);
+	}
+
+	public void logic() {
+		play_pause.setOnClickListener(this);
+
+		onplay.setOnClickListener(this);
+		downplay.setOnClickListener(this);
+		exit.setOnClickListener(this);
+	}
+
+	@Override
+	public void onClick(View source) {
+		Intent intent = new Intent(CTL_ACTION);
+		switch (source.getId()) {
+		case R.id.play_pause: {
+			intent.putExtra("control", 1);
+			break;
+		}
+
+		case R.id.onplay: {
+			intent.putExtra("control", 3);
+			break;
+		}
+		case R.id.downplay: {
+			intent.putExtra("control", 4);
+			break;
+		}
+
+		case R.id.exit: {
+			stopService(intentservice);
+			this.finish();
+			break;
+		}
+		}
+		sendBroadcast(intent);
+
+	}
+
+
+	public class ActivityReceiver extends BroadcastReceiver {
+
+		@Override
+		public void onReceive(Context context, Intent intent) {
+			// 获取Intent中的update消息，update代表播放状态,-1为默认值。
+
+		 	int update = intent.getIntExtra("update", -1);
+			switch (update) {
+			case 0x11: {
+				status = 0x11;
+				break;
+			}
+
+			// 控制系统进入播放状态
+			case 0x12: {
+
+				// 设置当前状态
+              status = 0x12;
+				break;
+			}
+			// 控制系统进入暂停状态
+
+				case 0x13: {
+				status = 0x13;
+				break;
+			}
+			}
+		}
+
+	}
+
+	/* 播放列表 */
+	public void musicList() {
+		// 取得指定位置的文件设置显示到播放列表
+		String[] music = new String[] { Media._ID, Media.DISPLAY_NAME,
+				Media.TITLE, Media.DURATION, Media.ARTIST, Media.DATA };
+		//获取数据实例。即歌曲
+		Cursor cursor = getContentResolver().query(Media.EXTERNAL_CONTENT_URI,
+				music, null, null, null);
+		while (cursor.moveToNext()) {
+			Music temp = new Music();
+			temp.setFilename(cursor.getString(1));
+			temp.setTitle(cursor.getString(2));
+			temp.setDuration(cursor.getInt(3));
+			temp.setArtist(cursor.getString(4));
+			temp.setData(cursor.getString(5));
+			musiclists.add(temp);
+
+			Map<String, Object> map = new HashMap<String, Object>();
+			map.put("name", cursor.getString(1));
+			map.put("artist", cursor.getString(4));
+			list.add(map);
+		}
+
+		ListView listview = (ListView) findViewById(R.id.musics);
+		SimpleAdapter adapter = new SimpleAdapter(this, list,
+				R.layout.musicsshow, new String[] { "name", "artist" },
+				new int[] { R.id.name, R.id.artist });
+		listview.setAdapter(adapter);
+		listview.setOnItemClickListener(new OnItemClickListener() {
+
+			@Override
+			public void onItemClick(AdapterView<?> parent, View view,
+					int current, long id) {
+
+				Intent intent=new Intent(CTL_ACTION);
+				intent.putExtra("control", 5);
+				intent.putExtra("current", current);
+				sendBroadcast(intent);
+			}
+		});
+	}
+}

app/src/main/java/edu/hzuapps/androidworks/homeworks/com1314080901130/Music.java

@@ -0,0 +1,48 @@
+package edu.hzuapps.androidworks.homeworks.com1314080901130;
+
+public class Music {
+
+	private String filename;
+	private String Title;
+	private int   duration;
+	private	String artist;
+	private String location;
+
+
+	public String getFilename() {
+		return filename;
+	}
+	public void setFilename(String filename) {
+		this.filename = filename;
+	}
+	public String getTitle() {
+		return Title;
+	}
+	public void setTitle(String title) {
+		Title = title;
+	}
+	public int getDuration() {
+		return duration;
+	}
+	public void setDuration(int duration) {
+		this.duration = duration;
+	}
+	public String getArtist() {
+		return artist;
+	}
+	public void setArtist(String artist) {
+		this.artist = artist;
+	}
+	public String getData() {
+		return location;
+	}
+	public void setData(String location) {
+		this.location = location;
+	}
+
+
+
+//	{MediaStore.Audio.Media._ID, MediaStore.Audio.Media.DISPLAY_NAME, 
+//		MediaStore.Audio.Media.TITLE, MediaStore.Audio.Media.DURATION,
+//		MediaStore.Audio.Media.ARTIST, MediaStore.Audio.Media.DATA
+}