Android自定义简易luancherDemo（有图有真相哦）

就两个界面，一个是所有程序，一个是开机动画设置，还有设置壁纸。

比较粗糙，因为项目停滞，所以就没有继续开发，在此分享一下，望高手莫喷。

有些代码是网上摘抄，找不到出处了，原作者莫怪咯！

效果图：

项目结构：

HomeActivity.java（所有程序界面）

package com.bvin.demo.launcher;

import java.util.List;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;

public class HomeActivity extends Activity {
    /** Called when the activity is first created. */
    
    List<ResolveInfo> mApp;
    GridView mGrid;
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        loadApps();
        setContentView(R.layout.main);
        initsViews();
    }
    
    
    
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // TODO Auto-generated method stub
        menu.add(0, 0, 0, "设置壁纸");
        menu.add(0, 1, 1, "开机动画");
        return super.onCreateOptionsMenu(menu);
    }



    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // TODO Auto-generated method stub
        switch(item.getItemId()){
        
        case 0:
            onSetWallPaper();
            break;
        case 1:
            Intent intent = new Intent(HomeActivity.this,SetActivity.class);
            startActivity(intent);
            break;
        
        }
        
        return super.onOptionsItemSelected(item);
    }



    void loadApps(){
        Intent mainIntent = new Intent(Intent.ACTION_MAIN,null);
        mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
        mApp = this.getPackageManager().queryIntentActivities(mainIntent, 0);
        Log.e("mApp", ""+mApp.size());
    }
    
    void initsViews(){
        mGrid = (GridView)findViewById(R.id.appGrid);
        mGrid.setAdapter(new AppsAdapter());
        
        mGrid.setOnItemClickListener(new GridView.OnItemClickListener(){

            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
                    long arg3) {
                // TODO Auto-generated method stub
                ResolveInfo info = mApp.get(arg2);
                String pkg = info.activityInfo.packageName;
                String cls = info.activityInfo.name;
                ComponentName compoment = new ComponentName(pkg,cls);
                Intent i = new Intent();
                i.setComponent(compoment);
                startActivity(i);
            }
            
        });
    }
    
    void onSetWallPaper(){
        
        Intent pickWallPager = new Intent(Intent.ACTION_SET_WALLPAPER);
        Intent chooser = Intent.createChooser(pickWallPager, "chooser_wallpaper");
        startActivity(chooser);
    }
    
    class AppsAdapter extends BaseAdapter{

        @Override
        public int getCount() {
            // TODO Auto-generated method stub
            return mApp.size();
        }

        @Override
        public Object getItem(int position) {
            // TODO Auto-generated method stub
            return mApp.get(position);
        }

        @Override
        public long getItemId(int position) {
            // TODO Auto-generated method stub
            return position;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            // TODO Auto-generated method stub
            ImageView i;
            if(convertView==null){
                i = new ImageView(HomeActivity.this);
                i.setScaleType(ImageView.ScaleType.FIT_CENTER);
                i.setLayoutParams(new GridView.LayoutParams(70, 70));
                
            }else{
                i = (ImageView)convertView;
            }
            ResolveInfo info = mApp.get(position);
            i.setImageDrawable(info.activityInfo.loadIcon(getPackageManager()));
            return i;
        }
        
        
    }
}

SettingActivity(开机动画设置界面)

package com.bvin.demo.launcher;

import java.io.DataOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class SetActivity extends Activity{

    Button btDell;
    Button byMi;
    String apkRoot="chmod 777 /system/media";
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        setContentView(R.layout.setwallpaper_layout);
        initViews();
    }

    void initViews(){
        btDell  = (Button)findViewById(R.id.btDell);
        byMi  = (Button)findViewById(R.id.btMis1);
        
        btDell.setOnClickListener(new View.OnClickListener() {
            
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                try {
                    if(rootConmmand(apkRoot)){
                        write2System(R.raw.dell);
                        setTitle("当前开机动画为戴尔原生动画");
                    }else{
                        Toast.makeText(SetActivity.this, "未获取root权限", Toast.LENGTH_SHORT).show();
                    }
                    
                } catch (FileNotFoundException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        });
        byMi.setOnClickListener(new View.OnClickListener() {
            
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                try {
                    if(rootConmmand(apkRoot)){
                    rootConmmand("chmod 777 /system/media/bootanimation.zip");
                    write2System(R.raw.mi);
                    setTitle("当前开机动画为小米开机动画");
                    }else{
                        Toast.makeText(SetActivity.this, "未获取root权限", Toast.LENGTH_SHORT).show();
                    }
                } catch (FileNotFoundException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        });
        
    }
    
    public static boolean rootConmmand(String cmd){
        
        Process process = null;
        DataOutputStream  os = null;
        
        try {
            process = Runtime.getRuntime().exec("su");
            os = new DataOutputStream(process.getOutputStream());
            os.writeBytes(cmd+"\n");
            os.writeBytes("exit\n");
            os.flush();
            process.waitFor();
            
        } catch (IOException e) {
            // TODO Auto-generated catch block
            Log.d("*** DEBUG ***", "ROOT REE" + e.getMessage());
            e.printStackTrace();
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }finally{
            
            try {
                if(os!=null){
                    os.close();
                }
                process.destroy();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        Log.d("*** DEBUG ***", "Root SUC ");
        return true;
    }
    
    private void write2System(int src) throws FileNotFoundException{
        
        ProgressDialog pd = new ProgressDialog(this);
        pd.show();
        InputStream is = this.getResources().openRawResource(src);
        OutputStream os = null;
        File file = new File("/system/media","bootanimation.zip");
        
        os = new FileOutputStream(file);
        
        
        byte[] buf = null;
        int length;
        try {
            buf = new byte[1024];
            while((length=is.read(buf))!=-1){
                os.write(buf, 0, length);
                Log.e("写", ""+length);
                
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }finally{
            if(is!=null){
                try {
                    is.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
            
        }
        rootConmmand("chmod 777 /system/media/bootanimation.zip");
        Log.e("dfg", "ok");
        pd.dismiss();
        Toast.makeText(this, "开机动画安装成功,可重启查看效果", Toast.LENGTH_LONG).show();
        
    }
    
}

没有挂载为读写

加上mount -rw -o remount /dev/block/mmcblk0p4 /system