張萌&韓墨羽——CommonTabLayout使用

CommonTabLayout使用

音樂

package com.example.banner_use.fragment;

import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PixelFormat;
import android.graphics.PorterDuff;
import android.media.MediaPlayer;
import android.os.Bundle;

import androidx.fragment.app.Fragment;

import android.view.LayoutInflater;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.SeekBar;

import com.example.banner_use.R;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;

/**
 * A simple {@link Fragment} subclass.
 */
public class BlankFragment extends Fragment implements SurfaceHolder.Callback{
    private static final String TAG = "BlankFragment";
    private Button MusicStart;
    private Button MusicPause;
    private SurfaceView MusicMedia;
    private SeekBar seekBar;
    private ListView listId;

    private MediaPlayer mediaPlayer;
    int count;
    int num;
    boolean flag;
    String string;
    SurfaceHolder holder;
    List<String> strings;

    public BlankFragment() {
        // Required empty public constructor
    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View inflate = inflater.inflate(R.layout.fragment_blank, container, false);
        MusicStart = inflate.findViewById(R.id.Music_start);
        MusicPause = inflate.findViewById(R.id.Music_pause);
        MusicMedia = inflate.findViewById(R.id.Music_media);
        seekBar = inflate.findViewById(R.id.seek_id);
        listId = inflate.findViewById(R.id.list_id);
        mediaPlayer=new MediaPlayer();


        try {
            initData();
            initListener();
            initMusic();
        } catch (IOException e) {
            e.printStackTrace();
        }



        return inflate;

    }

    private void initListener() {
        MusicStart.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                flag=true;
                mediaPlayer.start();
            }
        });
        MusicPause.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                flag=false;
                mediaPlayer.pause();
            }
        });
        seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
                if (b){
                    mediaPlayer.seekTo(i);
                }
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });
    }

    private void initData() {
        strings = new ArrayList<>();
        strings.add("————————————————");
//        strings.add("————————————————");
//        strings.add("————————————————");
//        strings.add("————————————————");
//        strings.add("————————————————");
//        strings.add("————————————————");
//        strings.add("————————————————");
        strings.add("我曾被無數的冷風吹透我胸口");
        strings.add("我曾被遙遠的夢逼着我仰望星空");
        strings.add("我曾被無數的嘲諷讓我放棄我的音樂夢");
        strings.add("我曾被無數的黃土 淹沒我的澎湃洶涌");
        strings.add("————————————————");
        strings.add("我曾想要我的歌聲 無盡沉淪的感動");
        strings.add("我曾把他們當成我風雨過後那一道彩虹");
        strings.add("我曾把墮落的原因 都丟給時間");
        strings.add("我曾把機會就扔在我眼前");
        strings.add("————————————————");
        strings.add("我曾把完整的鏡子打碎 夜晚的枕頭都是眼淚");
        strings.add("我多想讓過去重來 再給我一次機會");
        strings.add("我想說過去的時間 我誰都不爲");
        strings.add("除了空談 也就是 事事非非");
        strings.add("————————————————");
        strings.add("我曾想要我的歌聲 無盡沉淪的感動");
        strings.add("除了空談 也就是 事事非非");
        strings.add("————————————————");
        strings.add("————————————————");
        strings.add("————————————————");
        strings.add("————————————————");
        strings.add("我曾把他們當成我風雨過後那一道彩虹");
        strings.add("我曾把墮落的原因 都丟給時間");
        strings.add("我曾把機會就扔在我眼前");
        strings.add("————————————————");
        strings.add("我曾把完整的鏡子打碎 夜晚的枕頭都是眼淚");
        strings.add("我多想讓過去重來 再給我一次機會");
        strings.add("我曾把完整的鏡子打碎 夜晚的枕頭都是眼淚");
        strings.add("我想說過去的時間 我誰都不爲");
        strings.add("除了空談 也就是事事非非");
        strings.add("————————————————");
        strings.add("我曾把完整的鏡子打碎 夜晚的枕頭都是眼淚");
        strings.add("我多想讓過去重來 再給我一次機會");
        strings.add("我想說過去的時間 我誰都不爲");
        strings.add("除了空談 也就是事事非非");
        strings.add("除了空談 也就是事事非非");
        strings.add("————————————————");
        strings.add("————————————————");
        strings.add("————————————————");
        strings.add("————————————————");
        strings.add("————————————————");
        strings.add("————————————————");
        strings.add("————————————————");
        strings.add("————————————————");

        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < strings.size(); i++) {
            if (i==strings.size()-1){
                sb.append(strings.get(i)+"0");
            }else{
                sb.append(strings.get(i)+",");
            }
        }
        string = sb.toString();

        holder = MusicMedia.getHolder();
        holder.addCallback(this);
    }

    private void initMusic() throws IOException {
        mediaPlayer.reset();
        mediaPlayer.setDataSource("/sdcard/Music/洛天依,言和 - 深夜詩人.mp3");

        mediaPlayer.prepareAsync();
        mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
            @Override
            public void onPrepared(final MediaPlayer mediaPlayer) {
                final int duration = mediaPlayer.getDuration();
                seekBar.setMax(duration);
                mediaPlayer.start();
                final Timer timer = new Timer();
                timer.schedule(new TimerTask() {
                    @Override
                    public void run() {
                        int currentPosition = mediaPlayer.getCurrentPosition();
                        seekBar.setProgress(currentPosition);
                        if (currentPosition==duration){
                            timer.cancel();
                        }
                    }
                },0,1000);
            }
        });
    }

    @Override
    public void surfaceCreated(SurfaceHolder surfaceHolder) {
        new MyThread().start();
    }

    @Override
    public void surfaceChanged(SurfaceHolder surfaceHolder, int i, int i1, int i2) {

    }

    @Override
    public void surfaceDestroyed(SurfaceHolder surfaceHolder) {
        mediaPlayer.release();
        mediaPlayer=null;
    }
    class MyThread extends Thread{
        @Override
        public void run() {
            super.run();
            while (true){
                Paint paint = new Paint();
                paint.setColor(Color.GREEN);
                paint.setTextSize(80);
                try {
                    Thread.sleep(100);
                    count-=10;
                    num++;
                    if (num%7==0){
                        paint.setColor(Color.YELLOW);
                    }
                    if (num%3==0){
                        paint.setColor(Color.BLUE);
                    }if (num%5==0){
                        paint.setColor(Color.RED);
                    }
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                Canvas canvas = holder.lockCanvas();
                if (canvas==null){
                    break;
                }
                if (flag==true){
                    canvas.drawColor(PixelFormat.TRANSPARENT, PorterDuff.Mode.CLEAR);
                    canvas.drawText(string,count,200,paint);
                    holder.unlockCanvasAndPost(canvas);
                }else if(flag==false){
                    holder.unlockCanvasAndPost(canvas);
                }


            }
        }
    }
}

視頻

package com.example.banner_use.fragment;


import android.os.Bundle;

import androidx.fragment.app.Fragment;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.example.banner_use.R;

/**
 * A simple {@link Fragment} subclass.
 */
public class BlankFragment2 extends Fragment {


    public BlankFragment2() {
        // Required empty public constructor
    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_blank_fragment2, container, false);
    }

}

畫圖

package com.example.surfaceviewmediaplayer_01.fragments;


import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;

import com.example.surfaceviewmediaplayer_01.R;

/**
 * A simple {@link Fragment} subclass.
 */
public class disanFragment extends Fragment implements SurfaceHolder.Callback {

    private SurfaceView surfaceViewId;

    public disanFragment() {
        // Required empty public constructor
    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View inflate = inflater.inflate(R.layout.fragment_disan, container, false);
        surfaceViewId = (SurfaceView) inflate.findViewById(R.id.surfaceView_id);
        SurfaceHolder holder = surfaceViewId.getHolder();
        holder.addCallback(this);
        return inflate;
    }

    @Override
    public void surfaceCreated(SurfaceHolder holder) {
        Paint paint = new Paint();
        paint.setColor(Color.BLUE);
        paint.setAlpha(100);
        paint.setStyle(Paint.Style.FILL);
        paint.setStrokeWidth(20);
        paint.setTextSize(36);
        Canvas canvas = holder.lockCanvas();

        canvas.drawLine(0,0,96,96,paint);

        canvas.drawOval(100,300,300,500,paint);

        canvas.drawText("呵呵````",100,600,paint);

        holder.unlockCanvasAndPost(canvas);
    }

    @Override
    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {

    }

    @Override
    public void surfaceDestroyed(SurfaceHolder holder) {

    }
}