从SIM卡读取联系人

package com.android.test; 





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import android.app.Activity; 





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import android.content.Context; 





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import android.content.Intent; 





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import android.database.Cursor; 





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import android.net.Uri; 





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import android.os.Bundle; 





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import android.telephony.TelephonyManager; 





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import android.widget.TextView; 





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public class PhoneTest extends Activity { 





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    private TextView mTextView; 





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    protected Cursor mCursor = null; 





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    private TelephonyManager mTelephonyManager; 





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    private String mString = ""; 





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    /** Called when the activity is first created. */





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    @Override





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    public void onCreate(Bundle savedInstanceState) { 





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        super.onCreate(savedInstanceState); 





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        setContentView(R.layout.main); 





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        mTextView = (TextView)findViewById(R.id.text); 





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        mTextView.setTextSize(20.3f); 





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        isSimExist(); 





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        if(getSimState() == TelephonyManager.SIM_STATE_READY){ 





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            mString += "    卡存在\n"; 





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            getSimContacts("content://icc/adn"); //一般用这一条，如果这条不行的话可以试试下面的一条。 





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            getSimContacts("content://sim/adn");//此种读法在我们手机里不能读取，所以，还是用上个uri比较好。 





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        } 





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        mTextView.setText(mString); 





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    } 





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    private void getSimContacts(String str){ 





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        Intent intent = new Intent(); 





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        intent.setData(Uri.parse(str)); 





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        Uri uri = intent.getData(); 





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        mCursor = getContentResolver().query(uri, null, null, null, null); 





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        if(mCursor == null){ 





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            mString += "不能从" + str + "读数据\n"; 





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            return ; 





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        } 





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        mString += "第一列：" + mCursor.getColumnName(0) + "\n"; 





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        mString += "第二列：" + mCursor.getColumnName(1) + "\n"; 





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        mString += "第三列：" + mCursor.getColumnName(2) + "\n"; 





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        mString += "第四列：" + mCursor.getColumnName(3) + "\n"; 





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        mString += "列数：" + mCursor.getColumnCount() + "\n"; 





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        mString += "行数：" + mCursor.getCount() + "\n"; 





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        if (mCursor != null) { 





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            while (mCursor.moveToNext()) { 





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                // 取得联系人名字 





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                int nameFieldColumnIndex = mCursor.getColumnIndex("name"); 





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                mString += mCursor.getString(nameFieldColumnIndex)+"    "; 





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                // 取得电话号码 





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                int numberFieldColumnIndex = mCursor 





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                        .getColumnIndex("number"); 





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                mString += mCursor.getString(numberFieldColumnIndex)+"    "; 





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                // 取得邮箱 





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                int emailsFieldColumnIndex = mCursor 





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                        .getColumnIndex("emails"); 





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                mString += mCursor.getString(emailsFieldColumnIndex)+"    "; 





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                // 取得id 





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                int idFieldColumnIndex = mCursor 





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                        .getColumnIndex("_id"); 





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                mString += mCursor.getString(idFieldColumnIndex)+"\n"; 





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            } 





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        } 





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        mString += mCursor + "\n"; 





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        mCursor.close(); 





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    } 





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    private int getSimState(){ 





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        return mTelephonyManager.getSimState(); 





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    } 





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    private void isSimExist(){ 





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        mTelephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); 





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         int simState = mTelephonyManager.getSimState(); 





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         switch (simState) { 





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             case TelephonyManager.SIM_STATE_ABSENT: 





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                 mString = "无卡"; 





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                 // do something 





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                 break; 





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             case TelephonyManager.SIM_STATE_NETWORK_LOCKED: 





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                 mString = "需要NetworkPIN解锁"; 





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                 // do something 





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                 break; 





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             case TelephonyManager.SIM_STATE_PIN_REQUIRED: 





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                 mString = "需要PIN解锁"; 





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                 // do something 





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                 break; 





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             case TelephonyManager.SIM_STATE_PUK_REQUIRED: 





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                 mString = "需要PUN解锁"; 





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                 // do something 





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                 break; 





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             case TelephonyManager.SIM_STATE_READY: 





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                 mString = "良好"; 





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                 // do something 





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                 break; 





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             case TelephonyManager.SIM_STATE_UNKNOWN: 





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                 mString = "未知状态"; 





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                 // do something 





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                 break; 





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         } 





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         mTextView.setText(mString); 





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    } 





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}

<uses-permission android:name="android.permission.READ_CONTACTS"></uses-permission>