内置影片播放器载入 3GP 电影－

内置影片播放器载入 3GP 电影－－VideoView

news/2025/1/3 9:08:04/

创建一个有SD 卡的模拟器（粗体文字是命令）

我设置了相关的环境变量

root@May:~/桌面# android create avd -n three -t 3 -c 128M

Android 1.6 is a basic Android platform.

Do you wish to create a custom hardware profile [no]

Created AVD 'three' based on Android 1.6,

with the following hardware config:

hw.lcd.density=240

root@May:~/桌面# android list avd

Available Android Virtual Devices:

Name: three

Path: /root/.android/avd/three.avd

Target: Android 1.6 (API level 4)

Skin: WVGA800

Sdcard: 128M

然后往模拟器中复制一个3gp的文件

root@May:~/桌面# adb push /root/桌面/test.3gp /sdcard/

1355 KB/s (504030 bytes in 0.363s)

root@May:~/桌面# adb shell

# ls

sqlite_stmt_journals

cache

sdcard

etc

system

sys

sbin

proc

init.rc

init.goldfish.rc

init

default.prop

data

root

dev

# cd sdcard

# ls

LOST.DIR

test.3gp

# exit

public class Hello extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFormat(PixelFormat.TRANSLUCENT);
//   setContentView(R.layout.main);
setContentView(R.layout.main);
if(android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED))
existSD=true;
else
{
existSD=false;
mMakeTextToast("no sd card",true);
}
findview();
btn.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(b)
{
b=!b;
playVideo("file:///sdcard/test.3gp");
}
}
private void playVideo(String string) {
// TODO Auto-generated method stub
if(string!="")
{
vv.setVideoURI(Uri.parse(string));
vv.setMediaController(new MediaController(Hello.this));
vv.requestFocus();
vv.start();
if(vv.isPlaying())
{
//vv.
}
}
}
});
vv.setOnPreparedListener(new MediaPlayer.OnPreparedListener()
{
@Override
public void onPrepared(MediaPlayer arg0) {
// TODO Auto-generated method stub
btn.setText("file:///sdcard/test.3gp");
}
});
vv.setOnCompletionListener(new MediaPlayer.OnCompletionListener()
{
@Override
public void onCompletion(MediaPlayer arg)
{
mMakeTextToast
("finisthed",true);
}
});
}
public void mMakeTextToast(String string, boolean b) {
// TODO Auto-generated method stub
if(b)
Toast.makeText(Hello.this, string, Toast.LENGTH_SHORT).show();
else Toast.makeText(Hello.this, string, Toast.LENGTH_SHORT).show();
}
private void findview()
{
vv=(VideoView)findViewById(R.id.vv);
btn=(Button)findViewById(R.id.button1);
}
boolean existSD=false;
VideoView vv;
Button btn;
boolean b=true;
}

设置回放：

seekTo(0);

若要实现手机上网(Surf Internet )看影片的功能，只要对主程序稍作修改，即可用VideoView 观。

在AndroidManifest.xml里添加访问权限。

＜uses-permission android:name="android.permission.INTERNET">

</uses-permission>

<uses-permission android:name="android.permission.WAKE_LOCK">

</uses-permission>

file:///sdcard/test.3gp 替换成 http://somewhere.com/test.mp4

就OK了。

内置影片播放器载入 3GP 电影－－VideoView

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内置影片播放器载入 3GP 电影 －－VideoView

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内置影片播放器载入 3GP 电影－－VideoView