package com.jf.install;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import com.jf.install.util.ViewHandler;import android.R.integer;import android.app.Activity;import android.content.Context;import android.content.Intent;import android.content.pm.ApplicationInfo;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.graphics.drawable.Drawable;import android.net.Uri;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.ListView;import android.widget.SimpleAdapter;import android.widget.TextView;public class MainActivity extends Activity{ ListView lv; ListAdapter adapter; ArrayList< HashMap< String , Object >> items; private static final int INSTALL = 1; private InstallThread installThread; private InstallHandle installHandle; private LinearLayout mLoad; long i , j = 0; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ViewHandler.creteProgressDialog(this, "Loading"); lv = (ListView) findViewById(R.id.applist); installThread = new InstallThread(); installHandle = new InstallHandle(); new Thread(installThread).start(); } private void refresh() { /** * 参数：Context ArrayList(item的集合) item的layout 包含ArrayList中的HashMap的key的数组 * key所对应的值的相应的控件id */ adapter = new ListAdapter(this, items, R.layout.piitem, new String[] { "icon" , "appName" , "packageName" }, new int[] { R.id.icon , R.id.appName , R.id.packageName }); lv.setAdapter(adapter); lv.setOnItemClickListener(new InstallListener()); } private void iSearchPackage() { // 得到PackageManager对象 i = System.currentTimeMillis(); System.out.println("begion:" + i); PackageManager pm = getPackageManager(); // 得到系统安装的所有程序包的PackageInfo对象 // List<ApplicationInfo> packs = pm.getInstalledApplications(0); List< PackageInfo > packs = pm.getInstalledPackages(0); items = new ArrayList< HashMap< String , Object >>(); for (PackageInfo pi : packs) { HashMap< String , Object > map = new HashMap< String , Object >(); // 显示用户安装的应用程序，而不显示系统程序 if (( pi.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM ) == 0 && ( pi.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP ) == 0) { // 这将会显示所有安装的应用程序，包括系统应用程序 map.put("icon", pi.applicationInfo.loadIcon(pm));// 图标 map.put("appName", pi.applicationInfo.loadLabel(pm));// 应用程序名称 map.put("packageName", pi.applicationInfo.packageName);// 应用程序包名 // 循环读取并存到HashMap中，再增加到ArrayList上，一个HashMap就是一项 items.add(map); } } j = System.currentTimeMillis(); System.out.println("运行时间:" + ( j - i )); } @Override protected void onDestroy() { // TODO Auto-generated method stub super.onDestroy(); System.out.println("onDestroy"); } @Override protected void onPause() { // TODO Auto-generated method stub super.onPause(); System.out.println("onPause"); } @Override protected void onRestart() { // TODO Auto-generated method stub super.onRestart(); new Thread(installThread).start(); ViewHandler.creteProgressDialog(this, "Loading"); System.out.println("onRestart"); } @Override protected void onResume() { // TODO Auto-generated method stub super.onResume(); System.out.println("onResume"); } @Override protected void onStart() { // TODO Auto-generated method stub super.onStart(); System.out.println("onStart"); } @Override protected void onStop() { // TODO Auto-generated method stub super.onStop(); System.out.println("onStop"); } class InstallHandle extends Handler { @Override public void handleMessage(Message msg) { // TODO Auto-generated method stub super.handleMessage(msg); if (msg.what == INSTALL) { refresh(); ViewHandler.dissMiss(); } } } class InstallThread extends Thread { public void run() { iSearchPackage(); installHandle.sendEmptyMessage(INSTALL); } } class InstallListener implements OnItemClickListener { @Override public void onItemClick(AdapterView< ? > arg0 , View arg1 , int arg2 , long arg3) { // TODO Auto-generated method stub System.out.println(arg2); Uri packageURI = Uri.parse("package:" + items.get(arg2).get("packageName")); Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI); startActivity(uninstallIntent); } }}?
package com.jf.install;import java.util.List;import java.util.Map;import android.app.Activity;import android.content.Context;import android.graphics.drawable.Drawable;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.ImageView;import android.widget.SimpleAdapter;import android.widget.TextView;import android.widget.SimpleAdapter.ViewBinder;public class ListAdapter extends SimpleAdapter{ private int[] appTo; private String[] appFrom; private ViewBinder appViewBinder; private List<? extends Map<String, ?>> appData; private int appResource; private LayoutInflater appInflater; private Context context; public ListAdapter(Context context, List<? extends Map<String, ?>> data, int resource, String[] from, int[] to) { super(context, data, resource, from, to); appData = data; appResource = resource; appFrom = from; appTo = to; appInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); } public View getView(int position, View convertView, ViewGroup parent) { return createViewFromResource(position, convertView, parent, appResource); } private View createViewFromResource(int position, View convertView, ViewGroup parent, int resource) { View v; if(convertView == null) { v = appInflater.inflate(resource, parent,false); final int[] to = appTo; final int count = to.length; final View[] holder = new View[count]; for(int i = 0; i < count; i++) { holder[i] = v.findViewById(to[i]); } v.setTag(holder); }else { v = convertView; } bindView(position, v); return v; } private void bindView(int position, View view) { final Map dataSet = appData.get(position); if(dataSet == null) { return; } final ViewBinder binder = appViewBinder; final View[] holder = (View[])view.getTag(); final String[] from = appFrom; final int[] to = appTo; final int count = to.length; for(int i = 0; i < count; i++) { final View v = holder[i]; if(v != null) { final Object data = dataSet.get(from[i]); String text = data == null ? "":data.toString(); if(text == null) { text = ""; } boolean bound = false; if(binder != null) { bound = binder.setViewValue(v, data, text); } if(!bound) { /** * 自定义适配器，关在在这里，根据传递过来的控件以及值的数据类型， * 执行相应的方法，可以根据自己需要自行添加if语句。另外，CheckBox等 * 集成自TextView的控件也会被识别成TextView，这就需要判断值的类型 */ if(v instanceof TextView) { //如果是TextView控件，则调用SimpleAdapter自带的方法，设置文本 this.setViewText((TextView)v, text); }else if(v instanceof ImageView) { //如果是ImageView控件，调用自己写的方法，设置图片 setViewImage((ImageView)v, (Drawable)data); }else { throw new IllegalStateException(v.getClass().getName() + " is not a " + "view that can be bounds by this SimpleAdapter"); } } } } } public void setViewImage(ImageView v, Drawable value) { v.setImageDrawable(value); }}?
下面的2个是自定义的加载框：
package com.jf.install.util;import com.jf.install.R;import android.app.ProgressDialog;import android.content.Context;import android.graphics.Bitmap;import android.graphics.Paint;import android.widget.LinearLayout;import android.widget.TextView;public class ViewHandler { static ProgressDialog dlg ; public static ProgressDialog creteProgressDialog(Context context, String text) { dlg= new ProgressDialog(context); dlg.show(); dlg.setContentView(R.layout.loading); LinearLayout root = (LinearLayout) dlg .findViewById(R.id.progressDialog); root.setGravity(android.view.Gravity.CENTER); LoadingView mLoadView = new LoadingView(context); mLoadView.setDrawableResId(R.drawable.icon10); root.addView(mLoadView); TextView alert = new TextView(context); Paint tPaint=alert.getPaint(); tPaint.setFakeBoldText(true); alert.setText(text); alert.setTextSize(18); // alert.setTextColor(R.drawable.red); root.addView(alert); return dlg; } public static void distoryBitmap(Bitmap mFgBitmap){ if ( null !=mFgBitmap&&!mFgBitmap.isRecycled()) mFgBitmap.recycle(); } public static void dissMiss(){ if(null!=dlg){ System.out.println("dialog dismiss***********************"); dlg.dismiss(); } }}?
package com.jf.install.util;import android.content.Context;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Matrix;import android.os.Handler;import android.util.AttributeSet;import android.view.View;public class LoadingView extends View { private Matrix mFgMatrix; private Bitmap mFgBitmap; public LoadingView(Context context) { super(context); } public LoadingView(Context context, AttributeSet attrs) { super(context, attrs); } public void setDrawableResId(int iconResId) { mFgMatrix = new Matrix(); mFgBitmap = BitmapFactory.decodeResource(getResources(), iconResId); myHandler.sendEmptyMessage(0); onMeasure(mFgBitmap.getWidth(), mFgBitmap.getHeight()); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { setMeasuredDimension(mFgBitmap.getWidth(), mFgBitmap.getHeight()); } @Override protected void onDraw(Canvas canvas) { canvas.drawBitmap(mFgBitmap, mFgMatrix, null); } private Handler myHandler = new Handler() { public void handleMessage(android.os.Message msg) { mFgMatrix.postRotate(-10f, mFgBitmap.getWidth() / 2f, mFgBitmap .getHeight() / 2f); invalidate(); myHandler.sendEmptyMessageDelayed(msg.what, 20); }; };}?
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/progressDialog"></LinearLayout>
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<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <ListView android:id="@+id/applist" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /></LinearLayout>
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<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ImageView android:id="@+id/icon" android:layout_width="48dip" android:layout_height="48dip" android:padding="4dip" /> <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content"> <TextView android:id="@+id/appName" android:layout_width="fill_parent" android:layout_height="wrap_content"/> <TextView android:id="@+id/packageName" android:layout_width="fill_parent" android:layout_height="wrap_content"/> </LinearLayout></LinearLayout>
?