package com.example.guolin.danmutest;
import android.graphics.Color;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.VideoView;
import java.util.Random;
import master.flame.danmaku.controller.DrawHandler;
import master.flame.danmaku.danmaku.model.BaseDanmaku;
import master.flame.danmaku.danmaku.model.DanmakuTimer;
import master.flame.danmaku.danmaku.model.IDanmakus;
import master.flame.danmaku.danmaku.model.android.DanmakuContext;
import master.flame.danmaku.danmaku.model.android.Danmakus;
import master.flame.danmaku.danmaku.parser.BaseDanmakuParser;
import master.flame.danmaku.ui.widget.DanmakuView;
public class MainActivity extends AppCompatActivity {
private static final String TAG = "MainActivity";
private boolean showDanmaku;
private DanmakuView danmakuView;
private DanmakuContext danmakuContext;
private BaseDanmakuParser parser = new BaseDanmakuParser() {
@Override
protected IDanmakus parse() {
return new Danmakus();
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final VideoView videoView = (VideoView) findViewById(R.id.video_view);
videoView.setVideoPath(Environment.getExternalStorageDirectory() + "/Pixels.mp4");
videoView.seekTo(2530000);
videoView.start();
new android.os.Handler().postDelayed(new Runnable() {
@Override
public void run() {
videoView.pause();
}
}, 0);
danmakuView = (DanmakuView) findViewById(R.id.danmaku_view);
danmakuView.enableDanmakuDrawingCache(true);
danmakuView.setCallback(new DrawHandler.Callback() {
@Override
public void prepared() {
showDanmaku = true;
danmakuView.start();
generateSomeDanmaku();
}
@Override
public void updateTimer(DanmakuTimer timer) {
}
@Override
public void danmakuShown(BaseDanmaku danmaku) {
}
@Override
public void drawingFinished() {
}
});
danmakuContext = DanmakuContext.create();
danmakuView.prepare(parser, danmakuContext);
final LinearLayout operationLayout = (LinearLayout) findViewById(R.id.operation_layout);
final Button send = (Button) findViewById(R.id.send);
final EditText editText = (EditText) findViewById(R.id.edit_text);
danmakuView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (operationLayout.getVisibility() == View.GONE) {
operationLayout.setVisibility(View.VISIBLE);
} else {
operationLayout.setVisibility(View.GONE);
}
}
});
send.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String content = editText.getText().toString();
if (!TextUtils.isEmpty(content)) {
addDanmaku(content, true);
editText.setText("");
}
}
});
getWindow().getDecorView().setOnSystemUiVisibilityChangeListener (new View.OnSystemUiVisibilityChangeListener() {
@Override
public void onSystemUiVisibilityChange(int visibility) {
if (visibility == View.SYSTEM_UI_FLAG_VISIBLE) {
onWindowFocusChanged(true);
}
}
});
}
/**
* 向弹幕View中添加一条弹幕
* @param content
* 弹幕的具体内容
* @param withBorder
* 弹幕是否有边框
*/
private void addDanmaku(String content, boolean withBorder) {
BaseDanmaku danmaku = danmakuContext.mDanmakuFactory.createDanmaku(BaseDanmaku.TYPE_SCROLL_RL);
danmaku.text = content;
danmaku.padding = 5;
danmaku.textSize = sp2px(20);
danmaku.textColor = Color.WHITE;
danmaku.setTime(danmakuView.getCurrentTime());
if (withBorder) {
danmaku.borderColor = Color.GREEN;
}
danmakuView.addDanmaku(danmaku);
}
/**
* 随机生成一些弹幕内容以供测试
*/
private void generateSomeDanmaku() {
new Thread(new Runnable() {
@Override
public void run() {
while(showDanmaku) {
int time = new Random().nextInt(300);
String content = "" + time + time;
addDanmaku(content, false);
try {
Thread.sleep(time);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}).start();
}
/**
* sp转px的方法。
*/
public int sp2px(float spValue) {
final float fontScale = getResources().getDisplayMetrics().scaledDensity;
return (int) (spValue * fontScale + 0.5f);
}
@Override
protected void onPause() {
super.onPause();
if (danmakuView != null && danmakuView.isPrepared()) {
danmakuView.pause();
}
}
@Override
protected void onResume() {
super.onResume();
if (danmakuView != null && danmakuView.isPrepared() && danmakuView.isPaused()) {
danmakuView.resume();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
showDanmaku = false;
if (danmakuView != null) {
danmakuView.release();
danmakuView = null;
}
}
@Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
if (hasFocus && Build.VERSION.SDK_INT >= 19) {
View decorView = getWindow().getDecorView();
decorView.setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LAYOUT_STABLE
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_FULLSCREEN
| View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
}
}
}

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