我坚持这个问题3天了。我有以下布局
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<com.confero.android.videoview.VideoView
android:id="@+id/video"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true" />
<RelativeLayout
android:id="@+id/hitting_stumps_layout"
android:layout_width="180dp"
android:layout_height="wrap_content"
android:layout_alignTop="@+id/video" >
<ImageView
android:id="@+id/hitting_stumps_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_marginLeft="2dp"
android:contentDescription="@string/app_name"
android:src="@drawable/lbw_hitting_the_stumps" />
<ImageView
android:id="@+id/hitting_stumps_decision"
android:layout_width="12dp"
android:layout_height="12dp"
android:layout_alignRight="@+id/hitting_stumps_image"
android:layout_centerInParent="true"
android:layout_marginRight="5dp"
android:contentDescription="@string/app_name"
android:src="@drawable/lbw_tick" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/impact_line_layout"
android:layout_width="180dp"
android:layout_height="wrap_content"
android:layout_below="@+id/hitting_stumps_layout" >
<ImageView
android:id="@+id/impact_line_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="2dp"
android:contentDescription="@string/app_name"
android:src="@drawable/lbw_impact_in_line" />
<ImageView
android:id="@+id/impact_line_decision"
android:layout_width="12dp"
android:layout_height="12dp"
android:layout_alignRight="@+id/impact_line_image"
android:layout_centerInParent="true"
android:layout_marginRight="5dp"
android:contentDescription="@string/app_name"
android:src="@drawable/lbw_tick" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/pitched_line_layout"
android:layout_width="180dp"
android:layout_height="wrap_content"
android:layout_below="@+id/impact_line_layout" >
<ImageView
android:id="@+id/pitched_line_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="2dp"
android:contentDescription="@string/app_name"
android:src="@drawable/lbw_pitching_in_line" />
<ImageView
android:id="@+id/pitched_line_decision"
android:layout_width="12dp"
android:layout_height="12dp"
android:layout_alignRight="@+id/pitched_line_image"
android:layout_centerInParent="true"
android:layout_marginRight="5dp"
android:contentDescription="@string/app_name"
android:src="@drawable/lbw_tick" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/shot_offered_layout"
android:layout_width="180dp"
android:layout_height="wrap_content"
android:layout_below="@+id/pitched_line_layout" >
<ImageView
android:id="@+id/shot_offered_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="2dp"
android:contentDescription="@string/app_name"
android:src="@drawable/lbw_shot_offered" />
<ImageView
android:id="@+id/shot_offered_decision"
android:layout_width="12dp"
android:layout_height="12dp"
android:layout_alignRight="@+id/shot_offered_image"
android:layout_centerInParent="true"
android:layout_marginRight="5dp"
android:contentDescription="@string/app_name"
android:src="@drawable/lbw_tick" />
</RelativeLayout>
</RelativeLayout>
并且我正在尝试在视频播放继续时的某个时间使图像视图可见。我使用过CountDownTimer。
/**
*
*/
package com.confero.android.videoview;
import android.app.Activity;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnPreparedListener;
import android.net.Uri;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
public class LbwTutorialActivity extends Activity {
private String TAG = "LbwTutorialActivity";
private VideoView video;
private CountDownTimer videoTimer;
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
if (msg.arg1 == 1) {
handleShotOffered(msg.arg2);
} else if (msg.arg1 == 2) {
handlePitchedInline(msg.arg2);
} else if (msg.arg1 == 3) {
handleImpactLine(msg.arg2);
} else if (msg.arg1 == 4) {
handleHittingStumps(msg.arg2);
}
}
};
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main);
Uri uri = Uri.parse("android.resource://com.confero.android.videoview/"
+ R.raw.lbw2_lh);
handleShotOffered(0);
handleImpactLine(0);
handlePitchedInline(0);
handleHittingStumps(0);
if (uri != null) {
video = (VideoView) findViewById(R.id.video);
video.setVideoURI(uri);
video.setKeepScreenOn(true);
video.setOnCompletionListener(new OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
// TODO Auto-generated method stub
video.stopPlayback();
videoTimer.cancel();
}
});
video.setOnPreparedListener(new OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
// TODO Auto-generated method stub
video.requestFocus();
videoTimer = new CountDownTimer(30000, 125) {
@Override
public void onTick(long millisUntilFinished) {
// TODO Auto-generated method stub
int stopTime = video.getCurrentPosition();
Message message;
if (stopTime >= 1500 && stopTime < 1620) {
message = new Message();
message.arg1 = 1;
message.arg2 = 1;
handler.sendMessage(message);
} else if (stopTime >= 4100 && stopTime < 4220) {
message = new Message();
Log.d(TAG, "Pause 1");
try {
message.arg1 = 1;
message.arg2 = 0;
handler.sendMessage(message);
video.pause();
message.arg1 = 2;
message.arg2 = 1;
handler.sendMessage(message);
this.wait(1500);
video.start();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} else if (stopTime >= 4220 && stopTime < 4340) {
message = new Message();
Log.d(TAG, "Pause2");
try {
message.arg1 = 2;
message.arg2 = 0;
handler.sendMessage(message);
video.pause();
message.arg1 = 3;
message.arg2 = 1;
handler.sendMessage(message);
this.wait(1500);
video.start();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} else if (stopTime >= 9400 && stopTime < 9520) {
message = new Message();
Log.d(TAG, "Pause 3");
try {
message.arg1 = 3;
message.arg2 = 0;
handler.sendMessage(message);
video.pause();
message.arg1 = 4;
message.arg2 = 1;
handler.sendMessage(message);
this.wait(1500);
video.start();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
@Override
public void onFinish() {
// TODO Auto-generated method stub
}
};
videoTimer.start();
video.start();
}
});
}
}
private void handleShotOffered(int status) {
if (status == 1) {
((ImageView) findViewById(R.id.shot_offered_image))
.setVisibility(View.VISIBLE);
((ImageView) findViewById(R.id.shot_offered_decision))
.setVisibility(View.VISIBLE);
} else {
((ImageView) findViewById(R.id.shot_offered_decision))
.setVisibility(View.INVISIBLE);
((ImageView) findViewById(R.id.shot_offered_image))
.setVisibility(View.INVISIBLE);
}
}
private void handlePitchedInline(int status) {
if (status == 1) {
((ImageView) findViewById(R.id.pitched_line_image))
.setVisibility(View.VISIBLE);
((ImageView) findViewById(R.id.pitched_line_decision))
.setVisibility(View.VISIBLE);
} else {
((ImageView) findViewById(R.id.pitched_line_decision))
.setVisibility(View.INVISIBLE);
((ImageView) findViewById(R.id.pitched_line_image))
.setVisibility(View.INVISIBLE);
}
}
private void handleImpactLine(int status) {
if (status == 1) {
((ImageView) findViewById(R.id.impact_line_image))
.setVisibility(View.VISIBLE);
((ImageView) findViewById(R.id.impact_line_decision))
.setVisibility(View.VISIBLE);
} else {
((ImageView) findViewById(R.id.impact_line_decision))
.setVisibility(View.INVISIBLE);
((ImageView) findViewById(R.id.impact_line_image))
.setVisibility(View.INVISIBLE);
}
}
private void handleHittingStumps(int status) {
if (status == 1) {
((ImageView) findViewById(R.id.hitting_stumps_image))
.setVisibility(View.VISIBLE);
((ImageView) findViewById(R.id.hitting_stumps_decision))
.setVisibility(View.VISIBLE);
} else {
((ImageView) findViewById(R.id.hitting_stumps_decision))
.setVisibility(View.INVISIBLE);
((ImageView) findViewById(R.id.hitting_stumps_image))
.setVisibility(View.INVISIBLE);
}
}
}
我的问题是图片视图无法显示。布局或Java代码有问题吗？
请帮忙。提前谢谢。