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）

  1 package com.bvin.demo.launcher;  2   3 import java.util.List;  4   5 import android.app.Activity;  6 import android.content.ComponentName;  7 import android.content.Intent;  8 import android.content.pm.ResolveInfo;  9 import android.os.Bundle; 10 import android.util.Log; 11 import android.view.Menu; 12 import android.view.MenuItem; 13 import android.view.View; 14 import android.view.ViewGroup; 15 import android.widget.AdapterView; 16 import android.widget.BaseAdapter; 17 import android.widget.GridView; 18 import android.widget.ImageView; 19  20 public class HomeActivity extends Activity { 21     /** Called when the activity is first created. */ 22      23     List<ResolveInfo> mApp; 24     GridView mGrid; 25      26     @Override 27     public void onCreate(Bundle savedInstanceState) { 28         super.onCreate(savedInstanceState); 29         loadApps(); 30         setContentView(R.layout.main); 31         initsViews(); 32     } 33      34      35      36     @Override 37     public boolean onCreateOptionsMenu(Menu menu) { 38         // TODO Auto-generated method stub 39         menu.add(0, 0, 0, "设置壁纸"); 40         menu.add(0, 1, 1, "开机动画"); 41         return super.onCreateOptionsMenu(menu); 42     } 43  44  45  46     @Override 47     public boolean onOptionsItemSelected(MenuItem item) { 48         // TODO Auto-generated method stub 49         switch(item.getItemId()){ 50          51         case 0: 52             onSetWallPaper(); 53             break; 54         case 1: 55             Intent intent = new Intent(HomeActivity.this,SetActivity.class); 56             startActivity(intent); 57             break; 58          59         } 60          61         return super.onOptionsItemSelected(item); 62     } 63  64  65  66     void loadApps(){ 67         Intent mainIntent = new Intent(Intent.ACTION_MAIN,null); 68         mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 69         mApp = this.getPackageManager().queryIntentActivities(mainIntent, 0); 70         Log.e("mApp", ""+mApp.size()); 71     } 72      73     void initsViews(){ 74         mGrid = (GridView)findViewById(R.id.appGrid); 75         mGrid.setAdapter(new AppsAdapter()); 76          77         mGrid.setOnItemClickListener(new GridView.OnItemClickListener(){ 78  79             @Override 80             public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, 81                     long arg3) { 82                 // TODO Auto-generated method stub 83                 ResolveInfo info = mApp.get(arg2); 84                 String pkg = info.activityInfo.packageName; 85                 String cls = info.activityInfo.name; 86                 ComponentName compoment = new ComponentName(pkg,cls); 87                 Intent i = new Intent(); 88                 i.setComponent(compoment); 89                 startActivity(i); 90             } 91              92         }); 93     } 94      95     void onSetWallPaper(){ 96          97         Intent pickWallPager = new Intent(Intent.ACTION_SET_WALLPAPER); 98         Intent chooser = Intent.createChooser(pickWallPager, "chooser_wallpaper"); 99         startActivity(chooser);100     }101     102     class AppsAdapter extends BaseAdapter{103 104         @Override105         public int getCount() {106             // TODO Auto-generated method stub107             return mApp.size();108         }109 110         @Override111         public Object getItem(int position) {112             // TODO Auto-generated method stub113             return mApp.get(position);114         }115 116         @Override117         public long getItemId(int position) {118             // TODO Auto-generated method stub119             return position;120         }121 122         @Override123         public View getView(int position, View convertView, ViewGroup parent) {124             // TODO Auto-generated method stub125             ImageView i;126             if(convertView==null){127                 i = new ImageView(HomeActivity.this);128                 i.setScaleType(ImageView.ScaleType.FIT_CENTER);129                 i.setLayoutParams(new GridView.LayoutParams(70, 70));130                 131             }else{132                 i = (ImageView)convertView;133             }134             ResolveInfo info = mApp.get(position);135             i.setImageDrawable(info.activityInfo.loadIcon(getPackageManager()));136             return i;137         }138         139         140     }141 }

 

SettingActivity(开机动画设置界面)

  1 package com.bvin.demo.launcher;  2   3 import java.io.DataOutputStream;  4 import java.io.File;  5 import java.io.FileNotFoundException;  6 import java.io.FileOutputStream;  7 import java.io.IOException;  8 import java.io.InputStream;  9 import java.io.OutputStream; 10  11 import android.app.Activity; 12 import android.app.ProgressDialog; 13 import android.os.Bundle; 14 import android.util.Log; 15 import android.view.View; 16 import android.widget.Button; 17 import android.widget.Toast; 18  19 public class SetActivity extends Activity{ 20  21     Button btDell; 22     Button byMi; 23     String apkRoot="chmod 777 /system/media"; 24     @Override 25     protected void onCreate(Bundle savedInstanceState) { 26         // TODO Auto-generated method stub 27         super.onCreate(savedInstanceState); 28         setContentView(R.layout.setwallpaper_layout); 29         initViews(); 30     } 31  32     void initViews(){ 33         btDell  = (Button)findViewById(R.id.btDell); 34         byMi  = (Button)findViewById(R.id.btMis1); 35          36         btDell.setOnClickListener(new View.OnClickListener() { 37              38             @Override 39             public void onClick(View v) { 40                 // TODO Auto-generated method stub 41                 try { 42                     if(rootConmmand(apkRoot)){ 43                         write2System(R.raw.dell); 44                         setTitle("当前开机动画为戴尔原生动画"); 45                     }else{ 46                         Toast.makeText(SetActivity.this, "未获取root权限", Toast.LENGTH_SHORT).show(); 47                     } 48                      49                 } catch (FileNotFoundException e) { 50                     // TODO Auto-generated catch block 51                     e.printStackTrace(); 52                 } 53             } 54         }); 55         byMi.setOnClickListener(new View.OnClickListener() { 56              57             @Override 58             public void onClick(View v) { 59                 // TODO Auto-generated method stub 60                 try { 61                     if(rootConmmand(apkRoot)){ 62                     rootConmmand("chmod 777 /system/media/bootanimation.zip"); 63                     write2System(R.raw.mi); 64                     setTitle("当前开机动画为小米开机动画"); 65                     }else{ 66                         Toast.makeText(SetActivity.this, "未获取root权限", Toast.LENGTH_SHORT).show(); 67                     } 68                 } catch (FileNotFoundException e) { 69                     // TODO Auto-generated catch block 70                     e.printStackTrace(); 71                 } 72             } 73         }); 74          75     } 76      77     public static boolean rootConmmand(String cmd){ 78          79         Process process = null; 80         DataOutputStream  os = null; 81          82         try { 83             process = Runtime.getRuntime().exec("su"); 84             os = new DataOutputStream(process.getOutputStream()); 85             os.writeBytes(cmd+"\n"); 86             os.writeBytes("exit\n"); 87             os.flush(); 88             process.waitFor(); 89              90         } catch (IOException e) { 91             // TODO Auto-generated catch block 92             Log.d("*** DEBUG ***", "ROOT REE" + e.getMessage()); 93             e.printStackTrace(); 94         } catch (InterruptedException e) { 95             // TODO Auto-generated catch block 96             e.printStackTrace(); 97         }finally{ 98              99             try {100                 if(os!=null){101                     os.close();102                 }103                 process.destroy();104             } catch (IOException e) {105                 // TODO Auto-generated catch block106                 e.printStackTrace();107             }108         }109         Log.d("*** DEBUG ***", "Root SUC ");110         return true;111     }112     113     private void write2System(int src) throws FileNotFoundException{114         115         ProgressDialog pd = new ProgressDialog(this);116         pd.show();117         InputStream is = this.getResources().openRawResource(src);118         OutputStream os = null;119         File file = new File("/system/media","bootanimation.zip");120         121         os = new FileOutputStream(file);122         123         124         byte[] buf = null;125         int length;126         try {127             buf = new byte[1024];128             while((length=is.read(buf))!=-1){129                 os.write(buf, 0, length);130                 Log.e("写", ""+length);131                 132             }133         } catch (IOException e) {134             // TODO Auto-generated catch block135             e.printStackTrace();136         }finally{137             if(is!=null){138                 try {139                     is.close();140                 } catch (IOException e) {141                     // TODO Auto-generated catch block142                     e.printStackTrace();143                 }144             }145             146         }147         rootConmmand("chmod 777 /system/media/bootanimation.zip");148         Log.e("dfg", "ok");149         pd.dismiss();150         Toast.makeText(this, "开机动画安装成功,可重启查看效果", Toast.LENGTH_LONG).show();151         152     }153     154 }

没有挂载为读写

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