实例介绍
【实例简介】
【实例截图】
【核心代码】
package com.pro100svitlo.fingerprintauthdemo; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.support.v4.content.ContextCompat; import android.support.v4.graphics.drawable.DrawableCompat; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.view.Menu; import android.view.MenuItem; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import com.pro100svitlo.fingerprintAuthHelper.FahErrorType; import com.pro100svitlo.fingerprintAuthHelper.FahListener; import com.pro100svitlo.fingerprintAuthHelper.FahSecureSettingsDialog; import com.pro100svitlo.fingerprintAuthHelper.FingerprintAuthHelper; import java.util.concurrent.TimeUnit; public class MainActivity extends AppCompatActivity implements FahListener { private final int TIME_OUT = 500; private FingerprintAuthHelper mFAH; private FahSecureSettingsDialog mSecureSettingsDialog; private ImageView mFingerprintIcon; private TextView mFingerprintText; private String mFingerprintRetryStr; private int mFpColorError; private int mFpColorNormal; private int mFpColorSuccess; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); mFingerprintIcon = (ImageView) findViewById(R.id.iv_fingerprint); mFingerprintText = (TextView) findViewById(R.id.tv_fingerprintText); mFAH = new FingerprintAuthHelper.Builder(this, this) .setTryTimeOut(2 * 60 * 1000) .setKeyName(MainActivity.class.getSimpleName()) .setLoggingEnable(true) .setMaxTryCount(1) .build(); boolean isHardwareEnable = mFAH.isHardwareEnable(); //in case if user want to disable usage fingerprint u can turn if off // mFAH.setCanListenByUser(false); if (isHardwareEnable && mFAH.canListenByUser()){ mFpColorError = ContextCompat.getColor(this, android.R.color.holo_red_dark); mFpColorNormal = ContextCompat.getColor(this, R.color.colorPrimary); mFpColorSuccess = ContextCompat.getColor(this, android.R.color.holo_green_dark); mFingerprintRetryStr = getString(R.string.fingerprintTryIn); } else { mFingerprintText.setText(getString(R.string.notSupport)); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); return super.onOptionsItemSelected(item); } @Override protected void onResume() { super.onResume(); mFAH.startListening(); } @Override protected void onPause() { super.onPause(); mFAH.stopListening(); } @Override protected void onDestroy() { super.onDestroy(); mFAH.onDestroy(); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); mFAH.onSaveInstanceState(outState); } @Override protected void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); mFAH.onRestoreInstanceState(savedInstanceState); } @Override public void onFingerprintStatus(boolean authSuccessful, int errorType, CharSequence errorMess) { if (authSuccessful){ DrawableCompat.setTint(mFingerprintIcon.getDrawable(), mFpColorSuccess); new Handler().postDelayed(new Runnable() { @Override public void run() { startActivity(new Intent(MainActivity.this, SecondActivity.class)); } }, TIME_OUT); } else if (mFAH != null){ errorMess = String.format(getString(R.string.appCodeActivity_tv_fingerprintTryCount), errorMess, mFAH.getTryCountLeft()); Toast.makeText(this, errorMess, Toast.LENGTH_SHORT).show(); switch (errorType){ case FahErrorType.General.LOCK_SCREEN_DISABLED: case FahErrorType.General.NO_FINGERPRINTS: mFAH.showSecuritySettingsDialog(); break; case FahErrorType.Auth.AUTH_NOT_RECOGNIZED: DrawableCompat.setTint(mFingerprintIcon.getDrawable(), mFpColorError); new Handler().postDelayed(new Runnable() { @Override public void run() { DrawableCompat.setTint(mFingerprintIcon.getDrawable(), mFpColorNormal); } }, TIME_OUT); break; } } } @Override public void onFingerprintListening(boolean listening, long milliseconds) { if (listening){ setFingerprintListening(); } else { setFingerprintNotListening(); } if (milliseconds > 0) { mFingerprintText.setTextColor(mFpColorError); mFingerprintText.setText(getPrettyTime(mFingerprintRetryStr ,milliseconds)); } } private void setFingerprintListening(){ DrawableCompat.setTint(mFingerprintIcon.getDrawable(), mFpColorNormal); mFingerprintText.setTextColor(mFpColorNormal); mFingerprintText.setText(getString(R.string.touch_sensor)); } private void setFingerprintNotListening(){ mFingerprintText.setTextColor(mFpColorError); DrawableCompat.setTint(mFingerprintIcon.getDrawable(), mFpColorError); } private String getPrettyTime(String coreStr, long millis){ return String.format(coreStr, TimeUnit.MILLISECONDS.toMinutes(millis), TimeUnit.MILLISECONDS.toSeconds(millis) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millis)) ); } }
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