android获取手机已经安装的app信息Android获取手机已安装APP（系统/非系统）

Android获取手机已安装APP（系统/非系统）

效果图

主体代码

	
	private ListView mlistview;
    private List<PackageInfo> packageInfoList;
    private List<AppInfo> applicationInfoList;
    private MyAdapter myAdapter;
    private PackageManager pm;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main3);
        mlistview=findViewById(R.id.mlistview);
        getAllAppNames();
        myAdapter=new MyAdapter(applicationInfoList);
        mlistview.setAdapter(myAdapter);
        myAdapter.notifyDataSetChanged();
        mlistview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                doStartApplicationWithPackageName(applicationInfoList.get(position).getPackageName());
            }
        });
    }
	//自定义适配器
    public class MyAdapter extends BaseAdapter{

        private List<AppInfo> list;

        public MyAdapter(List<AppInfo> list){
            this.list=list;
        }
        @Override
        public int getCount() {
            return list.size();
        }

        @Override
        public Object getItem(int position) {
            return list.get(position);
        }

        @Override
        public long getItemId(int position) {
            return position;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            View view=null;
            if(convertView==null){
                view=LayoutIn

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